Maxpower 335560 6 in Self Healing Wheelbarrow Tube With Slime Se: * Self healing wheelbarrow tire tube * Seals punctures up to 1/8 in * Environmentally safe, non toxic, non hazardous, and water soluble * Prevents flats * Works instantly * Installs easily and quickly * Works repeatedly * Does not freeze or dry up * Lasts for up to 2 years * Carded