UV Resistant â€“ great for canopies and umbrellasEach plate has carry handle for easy installation and removalProduct dimensions and weight: 17.4 x 17.4 x 2 in., 21 lbs.Slot size measures 2.5 in. wideIncludes 4 rubber weight plates. The Impact Canopy Pop Up Canopy Tent Rubber Weight Plate - Set of 4 features 4 stackable 22-pound weights with built-in carry handles for added convenience. The weight is made from high-density UV-resistant rubber and is adaptable to almost all shelters and flag systems on the market today. Weight measure 18L x 18W x 2H inches and come in a sleek black finish. How many times have you arrived at your destination only to find the wind blowing and the need to secure your Instant Canopy or umbrella? Filling weight bags with sand and dirt is messy and time consuming. Water bags need a water source and spikes well you need soft ground. Impact Rubber Weights are the perfect solution to all of your location issues. Made from long lasting high density rubber Impact Rubber Weights are carefree and will last far beyond the life of any canopy or umbrella. They can even be stacked up depending on the amount of weight (each weigh 21 pounds) required and have a handle to carry. Each rubber weight plate has a large carry handle for easy installation and removal and a universal leg slot which will accommodate a variety of Instant Canopy or structure legs.