Premium Quality: Breakable boards are made of high-quality plastic and rubber wadding, environmentally friendly, designed to provide the best experience. 4 levels of difficulty: Yellow, Blue, Red, Black. Four boards with different levels of difficulty to choose from. The yellow board is the easiest board to break and is suitable for children or beginners. Black board only for advanced or professionals. Reusable Design: The boards are designed to be easily reassembled after breaking. Just slide them together from the top down, ready for a new round. Wide Application: Suitable for Taekwondo students to practice and perform, etc. Match the thickness of the board with your belt level to choose the one you need. Perfect Gift: Perfect gift for children, adults who practice taekwondo, karate, kickboxing, boxing, students who learn or practice, etc. Specification: Material: Plastic, Rubber Thickness: Yellow 0.6cm/0.24in Blue 0.8cm/0.31in Red 1cm/0.39in Black 1.6cm/0.63in Size Chart: 31x23cm/12.20x9.06in Package Includes: 1 x Martial Arts Wrestling Board Note: 1. Please allow slight error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful online shopping