All-purpose, go-anywhere canopy anchor bags from ShelterLogic for temporarily anchoring your pop-up canopy on hard or soft surfaces. Constructed of ultradurable polyester fabric with an industrial-grade zipper access for easy filling. Dual-cylinder design wraps around the canopy legs for a secure hold. Holds up to 30 lbs. of sand or other filler. Fits both straight and slanted leg canopies. Includes four cylinder bags. Imported. Dimensions: 17.5"H x 5" dia.