Polyester Polyester lining Tie closure Machine Wash Large Capacity:BLUBLU reusable grocery bag which is a perfect size for daily supplies.They are very big which can hold up to 50+ pounds of groceries. Long handles of the reusable foldable shopping bags allow for hand holding or carry on the shoulder for easier carrying. Light and Safe:The highest quality standard,safe contact with food,shopping bags are very light,will not increase the weight of your shopping. Easy to Fold and Store:It can be folded up and put into your pocket or purse without loss.It is an ideal environment friendly reusable shopping bag for travel,shopping,storage and daily use. Easy to Clean:The shopping bag is made of polyester.It is strong,tear resistant,waterproof and dirt resistant.It can be washed by hand or machine.