The 3D Shape Sorter - Geometrical Shapes is a puzzle toy for the little one. Made of 100% natural rubber foam, the puzzle pieces are very soft, squishy, safe, silky to touch and smooth for the sensitive little hands. Each 3D Shape Sorter Puzzle has one inch thick soft foam base that offers the cushioning feel and tactile stimulation. The full set consists of 15 colorful geometric shapes. This product is very soft and safe even for the new born. The geometrical shapes are flexible, durable, anti-microbial, dust mite resistant