The bags are made of 600D Oxford cloth features high-quality zipper which is seamless, prevent penetration. Adjustable shoulder strap and web carrying handle. It has heat insulation and heat preservation functions. It can also be folded in half when not in use, which is convenient for storage. The slender design can be put into the bag of golf clubs, which can hold up to 7 cans. The qty more than 500 pcs is based on sea shipping.