Wheelbarrow tube Prevents flat tires Installs easily Fibro-Seal technology Once installed in your tire, SLiME seeks out and repairs punctures Advanced sealant technology utilizes a unique blend of fibers and clotting agents that prevent and repair most puncture related flats. Seals punctures up to 1/8-Inch deep Works continuously Contains inner tube with SLiME tire sealant inside Does not freeze or dry up