BreathableBaby Super-Dry Cot Sheets have been designed to help keep your baby cool throughout the night. The ventilated mesh sheets come in two different sizes to fit either a cot or a cot bed, the mesh fabric prevents your baby from over heating and keep your baby dry at night unlike conventional cotton bedding. The hypoallergenic sheets can be machine washed after use and comes with 2 sheets per pack for convenience.Pediatrician Evaluated and Recommended. Patented. Award-Winning. Made with our exclusive A.C.T. Air Channel Technology fabric, which provides superior protection while retaining maximum air flow in your child’s crib.Adjustable fasteners fit most standard crib styles, ties ensure mesh stays in place. Suggested ages newborn to 12 months as a general guideline. Your baby’s development may vary from these guidelines.