Small enough to pack and take with you on your rides, Stan&';s No Tubes Tire Sealant - 2 oz will have you back in the saddle and riding in no time, making quick work of fixing a flat. Stan&';s thin, low viscosity liquid is made from formulated sealing crystals that locate and repair punctures quickly and effectively. The sealant is able to stay liquid between 2 - 7 months, will not freeze in temperatures as low at -30F, and can repair punctures up to .25" in length. This 2 oz bottle is pre-measured and ready to apply to one bicycle tire. It&';s the perfect insurance to carry with you when out riding, helping you to stay aggressive knowing that Stan&';s No Tubes Tire Sealant - 2 oz is there to protect your tires.