Our 10lb bag was designed with the intention of holding down your traditional Ez-up during mild windy conditions. Tired of filling sand bags, or find yourself in an area that you cannot secure your Ez-up to the ground? By placing one of these 10lb bags in each corner of your Ez-up, you will have 40lbs of weight to protect your Ez-up from flying away or getting damaged. The possibilities are endless with this most versatile weighted bag!