. Includes 5 DART Refills (required DART Tool not included) . Reacts with Stan's sealant to form an instant, airtight seal . Barbed plastic tip anchors into tire and will not pull out when riding . Flexible fabric conforms to shape of puncture and bonds with sealant . Wears off clean, no trimming needed, and cannot be felt while riding, even on road tyres . Includes sealed container and carrier rack for fast and easy reloads