Item Name: Bicycle Inner Tube Material: Nylon Features: Professional, Explosion Proof, Anti Puncture Size Details: 12/14/16 Inch Thickness: 1.8cm/0.71" (Approx.) 20/22/24/26/2.75/29 Inch Thickness: 2cm/0.79" (Approx.) Package Size: 8cm x 5.5cm x 2.5cm/3.15" x 2.17" x 0.98" (Approx.) Description: What it can provide you is a bicycle inner tube pad with excellent abrasion resistance and damage resistance, which can effectively prevent the tire from puncturing and preventing flat tires. A bicycle inner tube cushion with long-term use, not easy to loosen, easy to install and other characteristics; and it uses a lightweight design, not easy to deformation and aging. Made of nylon, the bicycle inner tube is durable and long-lasting. There are 8 sizes for you to choose from. It is suitable to be installed on your tires to protect the tires and bring you safety. Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 2 x Bicycle Inner Tube