Fits tire widths: x 1.75 inch - 2.25 inch Stop flats while you ride! sealant inside instantly fills most holes up to 1/8 inch. Fits tire widths: x 1.75 inch - 2.25 inch. liquid sealant inside tube flows to seal most holes up to 1/8 inch instantly while you ride. tube sealant will not freeze or dry out. seals punctures as the happen. protection against: thorns, tacks, nails, glass, etc. works with these bikes: cruiser, comfort, mountain.What's your valve type? Standard: Also called a Schrader valve, this short, sturdy valve type is used on car tires and is also the most common valve type for bicycles. Typically found on BMX, Cruiser, Kids' and most Mountain bikes. An easy way to remember is S is for Standard (Schrader/short/sturdy) and P is for presta (Performance/premium). Presta: Presta valves are typically found on Performance Road and Mountain bikes (bras that require high air pressure). They have built-in yew locks which you twist to open before inflating. For warranty details go to www.thebellgarage.com. www.thebellgarage.com. For video instruction on how to change a tube go to: www.thebellgarage.com Made in China.