additionally equipped with a shoulder strap, so that the suitcase can be worn comfortably over the shoulder. Attention - (excluding medicine) Product parameters: Color: Silver, pink Material of frame: Aluminum alloy Appearance material: Aluminum alloy + MDF Lining material: pp Product Size:35cmx24cmx22cm(L x W x H) Packing Parameters: 1 x Empty box 1 x Shoulder strap 1 x size partition 2 x Keys Installation steps: 1. Enter the correct password 2. Push the button like a lock button (do not let go when pushing the button) 3. Rotate the password disk 4. Set the password and release the button. Precautions: - It is the aluminum punch tank design on its switches edge, please bump aluminum slot aligned then to lock it. - If you have any questions, please feel free to contact us, thank you for your purchase, and wish you a happy mood. - Because we are international logistics, the delivery time is generally 10-15 days. If you have not received the purchased product within 30 days, please contact us in time. If there are any problems, we will try our best to solve them for you.