Professional thickened design for baby travel: 210 waterproof encryption cloth exterior, inner fabric is made of high quality fleece, thermal intermediate layer cotton, soft and warm, protect your baby very well in cold weather | Safe and adjustable strap inside: there are 7 reserved positioned notches, suitable for 3 point or 5 point seat belt stroller,which can be fixed on the stroller. Double shoulder strap perforation, backrest two gears height adjustment, you can adjust strap according to your baby body | Exquisite buckle knot: with solid belt in this sleeping bag head, it can prevent the bag shifting problem caused by baby moves and baby keep warm from cold wind | Wind and water repellent: 40.55 x 17.70 inches(110*43cm), ideal for backpacking, ideal for travel, camping and other outdoor activities | Zipper pull design: can be unzipped from top to bottom for quick diaper changing and easy donning. Fit 99% stroller