Sand Bags, 17.5" x 26" Empty White Woven Polypropylene Sandbags with UV Coating Protection, Top Drawstring Design (20 Bags) (7) THICKEN, WIDEN, HIGHER DENSITY - 17.7 x 26 inches, EACH SAND BAG WEIGHS 70 GRAMS, Hold over 55 Pounds. Higher density, stronger toughness. UV COATING PROTECTION - 1,600 to 2,000 hours of UV (6 to 9 months), water-resistant, dust-resistant, and pest-resistant sandbags, flood protection, construction projects, driveway, traffic. STRONG DRAWSTRING CLOSURE - The top seal has a drawstring design. Fastest time tie strings to tighten the sand bags, save your time and labor costs. EDGE STRENGTHENING - Hemmed top for easy fill, DOUBLE-SEWN bottom for extra strength. We value the toughness of the sandbags bottom more than anyone else. MULTIPLE USE - These sand bags are also useful to hold down garden furniture, trampolines, road signs, netting, covers, protective defense wall, tents and garden structures.