1. eco-friendly pu material 2.cold and hot resistant,durable waterproof,easy to clean 3.colors,design,size at your ... 100% biodegradable and pollution-free,non-toxic and flavorless.Our knee pad is eco-friendly and cold and hot resistant,durable waterproof,non-fading ... PU hassock can be biodegradable over time2.hot and cold resistant,waterproof, wearable and durable3. easy to move, easy to clean4.light ...