Mountain/Road Bike Tires Liner Puncture-proof Mountain TyreProtection Pad<br><br><strong>Features:</strong><br>Light weight, durable, easy to carry.<br>Made of high quality and aging resistant material, durable to use along time.<br>It can develop hand strength, increase finger dexterity, promoteblood circulation, besides, deflate tension when working understressful situations.<br><br><strong>Specifications:</strong><br>Material: Silicone<br>Color: Green,20kg/Blue,30kg/Orange,40kg.<br>Diameter: approx. 7cm/2.76''<br><br><strong>Note:</strong><br>Please allow 1-3mm differs due to manual measurement.<br>Due to the different display and different light, the picture maynot reflect the actual color of the item. Thanks for yourunderstanding.<br><br>