Item Includes(Not including Slipper)1x pajamas,If you want the Slipper,Please purchase Slipper separatelyAbout Clothes Size:Adult Size: S,M,L,XLS:Height:145-155CM,Weight:Under 60KGM:Height:156-165CM,Weight:Under 70KGL:Height:166-175CM,Weight:Under 80KGXL:Height:176-185CM,Weight:Under 90KGChildren Size:4T=85Size=100Size6T=95Size=110Size8T=105Size=120Size10T=115Size=130Size12T=125Size=140SizeAbout Slipper Size:(Free Size)1.Adults size L/XL:40-44 (Free Size,suitable Height 165-185cm),If you want size L/XL,When you buy it,please buy size L/XL2.size S/M:34-39,(Free Size,suitable Height 150-165cm),If you want size S/M,When you buy it,please buy size S/M3.Kids size,Free Size,One Size,27-33Please note:1. due to manual tiling measurement, please allow an error of 2-5cm.2.Due to different monitor screens, due to lighting and other reasons, please allow a certain color differenceThe onesies has a ZIPPER on the buttocks for easy toileting