polar fleeceMachine WashSoft Material:Our onesie Pajamas is made of 100% Polar Fleece with high fiber density, which will not lint-free, and fluffy. It is soft and skin-friendly, keep you warm in the cold winter.Cute Hood: The onesie pajamas has a cute hood with eyes, teeth and nose,like a real animal.Fit for Many Occasions: This onesie pajamas costume fits for loungewear, Party, Halloween and other occasions. Also, it is a amazing gift for Christmas, Easter, birthaday and so onUnique Design: This onesie pajamas design with two large pockets on both sides, which are conbenient for you carrying phones,keys and wallet. Besides, the button up closure make this piece easy to put on and take off.Size Chart: Size Small fits for height 4'6"-5'2"(140-159cm);Size Medium fits for height 5'2"-5'5"(160-169cm);Size Large fits for height 5'6"-5'8"(170-179cm);Size X-Large fits for height 5'9"-6'2"(180-189cm);Please choose your right size carefully.