80 Gram non-woven polypropylene. Open main compartment with Velcro flap closure. Front accessory pockets and front mesh pocket. Adjustable 1 1/2" wide shoulder strap. 13.5" H x 14" W x 4" L View our full assortment of products on our websites: www.Neighborhoodies.com | www.NeighborhoodiesPromos.com. Can’t find what you need? Let us know! We’ll be happy to source products for your project.