Athalon"s Camping/Equipment Duffels come in 4 popular sizes that fold up and store away when not in use. * Product Material: 600 denier polyester with PVC lining * Product Weight: 2.30 lbs. * 600 denier polyester with PVC lining * Four graduating sizes to choose from - small, medium, large, extra large * Each bag is packaged with a fold up bottom board and mesh laundry bag * The laundry/accessory bag has locking rope cord * All have a detachable/adjustable shoulder strap * Each bag comes complete with a large easy access "U" shaped zipper opening main section * The large zipper has "kiss" zip pulls for easy locking * Extra bar tac stitching at all stress points for better strength * Two ply two colored web on handles and shoulder straps * Extra padded ergonomic shoulder pad * A fold up bottom board to help the bag"s bottom stay flat for easy folding and packing * Top grip handles with wrap around handle grip * Extra handle grips on both ends of each bag * Four protective bottom feet * Large nylon self healing zippers with ergonomic pulls and easy grip web finger grips