The Bamboo Waterproof Mattress Protector Range by Alastairs features a bamboo polyester construction that is antifungal, antibacterial, hypoallergenic and antimicrobial. By helping regulate temperature and wicking away moisture, these protectors create a comfortable sleep environment. Being waterproof, this protector range is a great addition to the bed to prevent unpredictable incidents and will extend the life of your mattress by providing an extra layer of protection.