Powercare Replacement Inner Tube with Leak Stopper for Wheelbarrow Tires with 6 in. Rim

Infused with leak-stopper, this 4 in. x 6 in. Wheelbarrow Inner Tube contains a tire-sealant formula that finds and seals leaks. The sealant creates an extra layer of protection in your wheel as it rotates and is specially formulated to resist hardening or drying out while inside the tire. Seals punctures up to 1/8 in.