Stay adventure ready whenever you have the Bell Flat Blocker⢠100 Tube Sealant. This sealant is used to repair and seal bicycle, dirt bike, wheelbarrow, and stroller tube punctures. The formula seeks out and fills punctures up to 1/8-inch in size, and repairs and prevents flats for up to 2 years. The 8-ounce size fills up to two bike tires, while a valve core remover, easy to follow instructions and a filler hose are included to encourage convenient, effective use. Bell Flat Blocker⢠100 Tube Sealant - Bicycle Accessoriesories at Academy Sports