In a Box: 6 pieces of Liquid Floor Tiles, size of each tile is 11.8" x 11.8". The bright colorful liquid moves with every step, jump, or hop. No installation required: it could be placed around at any corner of your house, school and can be used to decorate your kids' room. Anti-slip backing: Liquid-filled Motion Floor Tiles have a strong anti-slip function that helps protect the floor and keep still with PVC anti-mat slip. Recommended Use: children's play house /kids room floor/ Dance floor / play mat / fashion stores / chair mat.