... nylon plaid Lining:240T pongee Filling: hollow cotton 1. Envelope sleeping bag / sleeping sack Specially designed with different sizes.Soft, light weithtFabric: ... of caps, knitted hats, gloves, scarves, fleece products, case&bag, shopping bags, shirts, also dealing with printed goods, like ... promotion gifts), blankets, cuffs, earmuffs, knee pads, ect outdoor sporting products. Envelope sleeping bag