Double the life of your suitcase! Professional care and easy repair tips

  • New Trip

Update date: 2025.11.08
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A suitcase is your travel companion, but do you feel that its lifespan is shorter than you expected?
Being tossed around airport carousels, dragged over bumpy cobblestones, and navigating a tough journey can wear out a suitcase surprisingly quickly.

As a suitcase manufacturer, we have received feedback from many users saying, "I want to use it for longer," and "Why does it break so easily?"

In this article, we'll thoroughly explain the most important preventative care from our perspective as a manufacturer, as well as some simple repair ideas to help you in an emergency . Just five minutes of care per week can double the lifespan of your suitcase and increase your peace of mind when traveling.

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table of contents

1. Preventive care to extend the life of your suitcase

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2. Try it yourself! Easy repair techniques for emergency repairs

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3. Finally: Turning your suitcase from a "consumable" to a "partner"

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FAQ: Frequently Asked Questions

1. A guide to preventive care to extend the life of your suitcase

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Suitcase breakdowns often begin with excessive stress on a specific part. We'll introduce the parts that are most likely to break and the specific care methods to use, based on the parts that repair professionals handle most frequently.

table of contents

1. Care of the "caster"

2. Zipper care

3. Body care (especially corners)

4. Care of the handle

1. Care for the casters that affect running performance

Caster failure impairs maneuverability and increases the stress of travel.

  • Cause of failure: Tangles and friction load. Sand, dust, and most troublesome of all , hair can get tangled in the caster shaft, increasing rotational resistance. This puts undue stress on the shaft, leading to wear and tear. Plastic shafts in particular are prone to chipping and cracking due to frictional heat.
  • Proper preventative care: Make it a habit to "clean your wheels for five minutes after your trip." Immediately after returning home , lay your suitcase on its side and check the wheels. Use a toothbrush or cotton swab to carefully remove any tangled dirt or hair. After cleaning, it's effective to lightly spray the wheels with silicone spray . This helps prevent wear on plastic wheels and maintain smooth operation on alloy wheels. This simple five-minute care will dramatically extend the life of your wheels.

✅ New Tripから提案：故障リスクを減らす設計

私たち New Trip は、キャスターのガタつきや予期せぬ動きによる故障リスクを減らすため、 「New Trip 0702Plus」 には、簡単な操作で固定できるブレーキ機能付きの静音キャスターを採用しています。
電車や坂道で手を離しても動かない安心感が、キャスターへの不要な負荷を防ぎ、長期の利用を可能にします。

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2. Caring for the zipper that provides security

A broken zipper not only makes it difficult for luggage to get in and out, but also poses a direct security issue.

  • Cause of failure: Overload and distortion. If you overload your bag thinking, "I can fit more in!", strong pressure will be applied from the inside, distorting the meshing of the zipper elements (teeth). This will cause the zipper to slide more smoothly and the teeth to break.
  • Proper preventative care: Treat poor glide as an SOS signal. If you feel any catching when opening or closing the zipper, don't pull too hard. This is an SOS signal from the zipper. Apply soap or candle wax to the element and move the slider back and forth several times to improve glide. Also, when opening or closing the zipper, always keep the zipper perpendicular to the floor and pull slowly and parallel to the floor .
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3. Care for the "body (especially the corners)" to protect your belongings

Scratches and dents on the body are unavoidable, but fatal damage can be prevented.

  • Cause of failure: Concentrated impact If a strong external impact is concentrated on a specific corner, such as when checking the phone in on an airplane, the body may become dented or, if it is made of ABS material, may crack .
  • Proper preventative care: Review cushioning and storage methods. When not in use, cover your car with a protective cloth cover and store it out of direct sunlight, which can accelerate the deterioration of the body material. Coating the surface with a scratch-resistant spray can also help increase its durability.
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4. Handle care to maintain hygiene

Because pull handles and top handles are parts that are touched by the hands, it is important to keep them clean.

  • Causes of failure: Aging and sebum In addition to the deterioration of the material over many years of use, sweat from hands and sebum stains can cause the material to hydrolyze, resulting in stickiness and an unpleasant odor .
  • Proper preventative care: "Remove oil with a damp cloth." After returning home or after use, dampen a cloth with water , wring it out, and carefully wipe the surface of the handle to remove any oily residue. Regularly keeping the handle clean is the quickest way to prevent stickiness from occurring.
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2. Try it yourself! Easy ways to repair your suitcase

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Even if you take preventative care, you may encounter minor problems while traveling. Before calling a professional, try some home remedies .

table of contents

1. Correcting looseness and rattle of casters

2. Fixing small zipper misalignments and damage

3. Repairing scratches and shallow dents on the body

4. Eliminate stickiness of the handle

1. Fixing loose or wobbly casters

  • Symptoms: A little wobbly, but still drivable.
  • Repair method: The first step is to check the base of the caster and retighten the set screws with a screwdriver . This will eliminate most wobble. If this doesn't fix it, the shaft itself is broken, so consider replacing it with a similar sized caster from a hardware store. Replacement can be done in a surprisingly short time with just a screwdriver and a hammer.
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2. Fixing small zipper misalignments and damage

  • Symptoms: The zipper teeth are slightly misaligned and the zipper does not close or gets caught.
  • Repair method: Use pliers to lightly pinch the slider (pull handle) metal fittings and adjust them to align the misaligned teeth. Then, apply the aforementioned wax to improve the sliding. If the teeth have completely come off, you can temporarily secure them with thick sewing thread as a temporary fix to prevent luggage from flying out.
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3. Repairing scratches and shallow dents on the body

  • Symptoms: Shallow scratches or slight dents that are cosmetically noticeable.
  • Repair method: For shallow scratches, you can apply car scratch remover wax to a cloth and gently rub the scratch away. Small dents in polycarbonate (PC) materials can sometimes be repaired by heating them with a hair dryer and gently pressing from the inside . However, for deep cracks or structural damage, do not attempt the repair yourself and seek professional repair services.
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4. Eliminate stickiness on the handle

  • Symptoms: The handle on top becomes sticky with sweat and dirt, which is unpleasant.
  • Repair method: Wipe the surface of the steering wheel with a cloth soaked in rubbing alcohol or baking soda dissolved in water . If the surface is very sticky, gently rubbing it with a coarse hand towel is effective. Finish by wiping it with a dry cloth and it will return to a smooth state in 5 to 10 minutes.
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Conclusion: Turning your suitcase from a consumable to a companion

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A suitcase is an important "travel companion" that accompanies you on the extraordinary journey and protects your belongings.

The secret to making your luggage last longer is to take care of it before it breaks, rather than after it breaks. By making small daily maintenance and making simple repairs you can do yourself a habit, you can improve its performance on your travels and reduce the cost of repairs and replacements.

The next time you get back from a trip, try taking just five minutes to remove any debris from the wheels. We hope this will help you use your suitcase for a longer period of time and more comfortably.

✨ 長持ちを追求した究極の相棒：New Trip 0702Plus

キャスターの安定性（ブレーキ機能）、容量不足によるファスナー負荷の解消（サイドハンドルレスによる容量最大化）、そして旅先での利便性（充電ポート）といった、「長持ち」と「快適」を両立させる要素を全て搭載しています。
あなたの旅のストレスを、最初からゼロにする設計です。

New Trip 0702Plus 詳細を見る

FAQ (Frequently Asked Questions)

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Q1. シリコンスプレーはどのキャスター軸にも使えますか？

A1：はい、ご使用いただけます。
キャスター軸がプラスチック製（安価なモデル）でも合金製（高級モデル）でも、素材を侵食する心配が少なく、摩擦軽減に効果的です。
ただし、埃の付着を防ぐため、軽く一吹きに留めてください。

Q2. 旅先でキャスターが急に動かなくなったら、応急処置は可能ですか？

A2：可能です。動かなくなった原因のほとんどは髪の毛や糸の絡みです。
応急処置として、ホテルの爪楊枝やピンセットを使って絡まった異物を丁寧に取り除いてください。
内部のネジの緩みが原因であれば、マルチツールなどで**ネジを締め直す**と回復する場合があります。

Q3. ファスナーが引っかかる時、ロウソク以外で代用できるものはありますか？

A3：はい、代用できます。
エレメント（歯）の滑りを改善するには、石鹸（特に固形石鹸）の角や、リップクリームを塗って滑りを良くする方法があります。
塗った後に余分なものを拭き取り、スライダーをゆっくり往復させてください。

Q4. ボディの凹みをドライヤーで直す際の具体的な注意点を教えてください。

A4：この方法は主にポリカーボネート（PC）素材に対して有効です。
最も重要な注意点は、一点に集中して熱を加えすぎないことです。変形や変色の原因になります。
ドライヤーを20cmほど離して温風を当て、ボディが少し温まり柔軟になったところで、内側からタオル越しにゆっくりと押し戻してください。

Q5. ハンドルのベタつきを解消する際、使ってはいけない洗剤はありますか？

A5：はい、あります。
塩素系漂白剤や、研磨剤入りのクレンザーなどは、ハンドル素材（特にプラスチックや合皮）を傷めたり、変色させたりする危険性があるため、絶対に使用しないでください。
アルコール（消毒用エタノール）か、重曹水のようなマイルドなもので拭き取るのが安全です。

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