Baby pajamas with a light blue "Wanwan" (dog) pattern, made of cotton. The top is size 100 and the bottoms are size 90. (I apologize, I've been using this mismatched set for a while and can't find the correct matching top and bottom, so I'm listing it as is.) There is a small stain. - Color: Light Blue - Design: Animal Pattern - Size: 100 - Brand: UNIQLO - Material: Cotton Short sleeves, for summer "Inai Inai Ba!" (Peek-a-boo!) Wanwan (dog) Thank you for looking.