[ design]:These karate boards made of high quality plastic and rubber gaskets,Designed specifically for martial arts boxing, the structure can be constantly broken and reassembled for repeated use.Strong and sturdy; Foam pads on both sides prevent injuries to hands and feet; Smooth 't hurt skin and is safe for children to use. [Rebreakable boards]:This set taekwondo breaking boards available in 4 colors for different levels of practice; each color represents a different level and is the same color as the belt,Yellow is less difficult, blue is moderately difficult, red is more difficult, and black is extremely difficult. [Easy to use]:This set breaking boards simple operation for most People,these karate kicking boards are a nice substitute for pine crushing board, you just need to slide the two parts back together from top to bottom that'll do it.This one is perfect for martial arts ,muay thai,karate or taekwondo, the Karate Breakable Boards help you develop proper , perform basic moves, and drastically increase speed and strength to work your way up to the higher levels for martial arts kids. []:You can put the punching board for breaking as heartwarming gifts for children, parents, friends, and other people who love sports, training martial arts, karate, taekwondo or , which is convenient for them to realize family entertainment and practice , strengthening your relationships. Colour:yellow+blue+red+black(Yellow 1.0CM+Blue 1.2CM+Red 1.5CM+Black 2.0CM) Material:ABS+EVA Package Contents: 4 x Taekwondo Breaking Boards Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.