B-Sensible baby has designed the first fitted 2 in 1 sheet that acts like a second skin, soft as silk, waterproof bedding. Manufactured in Europe, the fitted sheets and are composed with the new generation of innovative textile technology called: Dermofresh; specially conceived for bedding products. This system is the perfect combination of the best natural fiber with an innovative second skin membrane, providing a hypoallergenic barrier against moisture, bacteria and dust mites. Tencel fiber is manufactured using eucalyptus pulp. Benefits include: Tencel fiber -100% Natural Thermoregulatory Fiber-cool in the summer warm in the winter Ecolabel and WWF certification Fiber dries quickly; ideal for sensitive skin. The sheet has a patented technology Dermofresh: Fluid barrier to protect mattress Noiseless Only 1 bedding solution needed for toddler night time support. Fights dust mites Reduces bacterial activity.