100% Cotton Zipper closure 100% Cotton Knitted Fabric with 100% Polyester Filling, 2.5 TOG All year round for standard rooms temperature from 15-22??C (59-72??F) Pink and Blue available in two size: M: Baby between 30-36??12-24 Months; L: Baby between 35-43??2T-4T SPECIAL DESIGN:Movable Long sleeve, parents could add or remove the sleeve as Baby??s needs.Legs design-perfect for moblie child or todder,2 way zipper design:it will be very easy to change diapper for baby SAFTY Comply With BS EN 16781; The zipper’s internal protective sheet can prevent the baby from being pulled, and will not rub baby’s skin, super soft and safe for baby. OUR PACKAGE AND SERVICE??Package: You will receive 1 pack BloomStar sleep bag; We Promise 31-day Money Back Guarantee, if you have any question about the product, please do not hesitate to ask questions.