I purchased this last summer for my son who was going to study abroad, but he ended up not taking it, so it's unused. Since it's been taken out of the box, please consider it as used. Please refrain from purchasing if you are concerned about minor details. ※Instruction manual and box are not included. Please refer to the product website for instructions on how to adjust the strap. Images 1-6 are from the product website. ...The following is quoted from the product website A versatile 8mm strap that is comfortable, stylish, and has a wide range of length adjustment. Easy to use with both phone cases and bags. Main Features ・Durable 8mm width, easy to adjust with a wide range of adjustment ・Rotatable carabiner hook Specifications ・Cord: 8mm diameter polyester cord ・Adjustment range: Approximately 86-150cm *Please note that we are not responsible for any damage to the human body, clothing, peripheral devices, smartphone itself, data, etc., or loss due to dropping during the installation or use of this product. Topologie Ltd. cannot guarantee the waterproof, dustproof, and impact resistance of smartphone cases. If dust or other particles get between the case and the device, it may scratch the device. Please check for yourself before use. *Not for climbing. Strap: ¥4,730 Strap adapter: ¥990