Brand x trainer matthe brand x turbo trainer mat is designed to help protect your floor from sweat and bike grime during training at home on your turbo trainer the large 90cm x 208cm mat is constructed from polyethylene plastic a highly durable and waterproof material which will stay that way for years to come the mat is easy to fold and comes with its own waterproof carry case for easy transportation and storage features size 90cm x 208cm durable and waterproof polyethylene plastic material