TS Warehouse Our eBay Store About Us Premium Service® inner tubes are manufactured to the highest quality. This Inner Tube can be used for River Tubing, Snow Tubing, and as a Float Tube. The tube has a 36" outer diameter when inflated with a 18.5" center hole size and a width of about 12". This tube is also for farm Implement applications and can be used in BIAS tires. The size marked on the tube may differ from the size needed as inner tubes are made to stretch in order to fit multiple sizes, according the manufacturer this tube will fit on the following tire sizes: 9.5L-18 9.5L-20 12.5L-18 12.5L-20FeaturesPerfect size for river tubing, snow tube or float tubeMade with high quality latex free rubber36 inches in diameter when inflatedTR15 rubber valve stem We try to describe our items as accurately as possible. Feel free to e-mail us with any questions you may have. E-mails sent in the evening or over the weekend will be answered as quickly as possible the following business day.