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.