1.Material: Bottom 100%PVC.Surface fabric 35%cotton 65%Polyester. 2.Stylish design: Mess free, colourful,creative fun! Kids will enjoy hours of fun with the water filled pen revealing colours and shapes on the Aquadoodle mats,then watching their doodles magically fade away to start all over again! The portable mats mean that this creative fun can be had anywhere! 3.Lovely large mat which allows young children to develop their drawing skills by using only water,the handwriting will disappear after a few minutes,filled with water using a magic pen ,this mat will create fabulous drawing and images,enjoy hours of fun with the water-filled pen revealing colours and shapes.