Pillowcase size: 18x18’’ Pillowcase material: 100% polyester fibers Note: pillowcase only, no pillow insert The DIY color pillowcase is a prefect gift for kids who love colors! It can builds the kids’ abilities such as concentration, confidence, handwriting, hand-eye coordination, color & pattern recognition, art therapy develop logic & creativity, and social play. Further, the pillowcase is very suitable for adults and children play together, accompanied by children at the same time do not feel bored, and adults can also find fun. This pillow can make people feel the fun of graffiti. Washing: Machine/hand wash, no use of bleach. For best performance, it can be cleaned when you are finished painting after 24 hours.