This sweatshirt bubble is soft and comfortable! Featuring 3 snaps at bottom make for easy and fast diaper changes. Snaps at the shoulder make taking on and off baby very easy! The fabric we used is made from a cotton/poly blend, it's so soft and cozy! These run very true to size. Consider sizing up if you'd like a baggier fit (check out the modeled photos in the listing!). Sizes available : * 6m (3-6m) * 12m (6-12m) * 18m (12-18m) * 24m (18-24m) Wash instructions : wash on cold and lay flat or hang to dry. Wash instructions are screenprinted into the neck area of the romper. 57% Cotton, 43% Polyester