The soft cork of the peanut roller is manufactured from is an eco-friendly alternative to plastic peanut rollers for a sustainable climbing massage. Complete with natural antimicrobial & antifungal properties the roller will not pick up gym odours, as with other plastic options. It’s firm, strong and durable, lasting for many years of use, while at the end of its life you’ll find it is 100% biodegradable. The cork peanut roller is soft on the skin whilst maintaining a firm grip even after the hardest training session.