Drawstring closure SET INCLUDES: 12 pieces of basic drawstring backpacks. You can pick any 12 colors of your choice or have them assorted. These Gym Sack Sport Bags are extremely lightweight and will be a perfect fit for any occasion. These Eco-friendly, classic gym sack bag are 100% reusable and recyclable. MATERIAL: TBF Drawstring Bags are made of 210D Polyester. The fabric is also coated with a water-resistant finish. This cinch sack daypack has reinforced bottom corners around silver metal grommets that make the bag very sturdy. These bags will last you years! Washable: TBF Basic Promotional Drawstring Bags are machine washable, recommended with mild detergent and air dry. DESIGN: Adjustable shoulder straps and dual drawstrings to cinch the bag shut in one quick pull and offer either over-the-shoulder or as a backpack carry. Wide open mouth and color matched drawstring closure design makes it an easy to load and unload. With a spacious interior these sturdy drawstring backpacks can be filled with sport gear, clothes, swim suit, books, or tablets. MULTI-PURPOSE: Use as a traditional backpack, or sling the double drawstring straps over the shoulder. The drawstring backpacks are suitable for travel, gym, outdoor, school, work, hiking, cycling, running, yoga, dance, so on. The durable backpack is ideal for those who commute to work on-foot, work out at a fitness center or attend sporting events regularly. Ideal gift for birthday party, festivals, giveaways, promotional events, and advertising your business with its large imprint area. SIZE: TBF Cinch Sack Drawstring Backpacks Measures: 15W x 18H, Imprint Area: 13W x 16H. With large imprint area great for customization, arts & crafts, DIY, embroidery, decorating, screen print, and so on.