Officially Licensed: Give your little ones the real deal with these official pajamas made in collaboration with Dreamworks and Trolls! Matching Set: Complete their bedtime look with these matching pajama pieces! Polyester Fabrication: Made with lightweight polyester fabric for comfortable nights. Cozeez Slippers Included: Bring a bonus touch of comfort to their pajamas with these matching Cozeez slippers! Sizing: size 4/5 Pajama set - size 9/10 slipper, size 6/6X pajama set - size 11/12 slipper, size 8 pajama set - size 13/1 slipper, and a size 10/12 Pajama set - size 2/3 slipper. Care and Safety: All pieces have been treated for fire resistance, are machine washable and tumble dry safe.