Portable Size: Includes four (15*50cm) black sand bags (sand not included) with sturdy handles on the top for easy carrying and movement Premium Oxford Cloth: Made of high-density 800D Oxford cloth with strong stitching, sandbags are tougher and more long-lasting, outer waterproof coating can effectively protect against moisture and dust, adapting to various outdoor environments Heavy-duty Sandbags: Each popup tent weight can hold about 26 lbs of pebbles or sand, providing reliable stability for tents, awnings, and sun umbrellas so that you can enjoy your outdoor activities Easy to Use: The product comes with 4 wider velcro straps designed to securely wrap the tent legs for stability and easy disassembly and installation, the large mouth design makes filling sand more convenient Wide Application: Suitable for awnings, tents, gazebos, camping, and sports umbrellas to prevent them from swaying or tipping over due to the wind, fit for camping, beaches, market stalls, outdoor parties, sports, barbecues, and more