Velcro brand, 3 pack, press-lok bags, includes 1 each extra small 8 oz 7" x 5.7", small qt 9.7" x 7", medium 3.5 liters 12" x 10.1", easy to open & close, reusable bags for everyday use, food safe, easy alignment with a squeeze, closure easily aligns for a reliable seal, secure hear & feel it close, bpa, pvc & phthalate free, not recommended for liquid storage.