Premium Quality: Breakable boards are made with high-quality plastic and rubber padding, eco-friendly, designed to provide the best experience. 4 Levels of Difficulty: Yellow, Blue, Red, Black. Four boards of different difficulty to choose from. The Yellow board is the easiest to break and is suitable for children or beginners. The Black board is intended for advanced users or coaches. Reusable Design: The boards are designed to be easily reassembled after breaking. Simply slide the pieces back together from the top down for repeated use. Wide Applications: Suitable for Taekwondo students for training and performance. Match the board thickness with your belt level to select the appropriate one. Perfect Gift: Great gift for Taekwondo, Karate, Kickboxing, or Boxing students for learning or training. Specifications: Material: Plastic, Rubber Yellow: 1cm / 0.39 inch thick, impact strength 15kg Blue: 1.2cm / 0.47 inch thick, impact strength 30kg Red: 1.5cm / 0.59 inch thick, impact strength 60kg Black: 2cm / 0.78 inch thick, impact strength 110kg Size: 31 x 23cm / 12.20 x 9.06 inch Package Includes: 1 x Martial Arts Breaking Board Note: 1. Please allow slight variation due to manual measurement. 2. Due to differences in monitor displays, the actual color may vary.