Material: high-strength plastic, EVA. Size: 12.2 x 9 inch/31 x 23 cm, thickness yellow 3/8 inch(0.9 cm), blue 2/5 inch(1 cm), red 3/5 inch(1.5 cm), black 7/9 inch(2 cm). Package Includes: 1 x breaking board. Application: use for taekwondo, karate, martial arts etc. Features: use high-strength plastic to make this product more durable, the surface of this items has a thickened sponge to protect hands and feet.The product has different thicknesses to adapt to people with different strengths. Notes: If you have any questions before purchase, please do not hesitate to contact us via email and we will reply within 24 hours. Due to the computer monitor setting and different light conditions, there might be slight color difference between picture and the real product. All of our products are made of high quality materials and will stand test of time. Therefore, if you are not happy with the product, please inform us via e-mail, we will help you resolve it to your satisfaction.