Protection for the 60×120 Baby Mattress Senna Bamboo. The soft bamboo fabric used for the protection features a waterproof layer. This allows the product to absorb moisture perfectly and ensures hygienic sleep for the child. The absorbent properties come from special bamboo fibers that are up to three times more effective than cotton. They also provide good air circulation, preventing overheating. If you want to ensure your child has a healthy and restful sleep, the Bamboo Protection is the perfect solution. The product can be washed at temperatures of up to 60 degrees Celsius. It has an Öko-Tex Standard 100 certification, meaning that no harmful substances were used in its production.