The Airwrap Cot Liner Muslin is a cot bumper alternative and is one of the most trusted and popular nursery bedding essentials in Australia since 2006. Moderately padded to help parents protect their baby from knocks and from tangling in the cot framework. Air-permeable with vented corners for air to move. Designed in Australia, the adjustable 4-sides cot liner muslin fits most rectangular cots with rails/slats on up to 4 sides and is machine washable. Features: Airwrap Cot Liners are INPAA approved (Infant Nursery Products Alliance Australia) Beautiful soft cotton muslin outer layer with mesh inner layer. Open corners provide ventilation channels for air to move. Free from bumper ties. Tested to be non-toxic and not produce any VOCs. Keeps arms, legs and pacifiers inside the cot. Moderate protection against bumps and knocks. Provides a visual shield. Non-pillowy slimline construction. Air-permeable/breathe-through materials (often miscalled 'breathable'). Bumper alternative. Machine washable. Fits most rectangular cots with rails/slats on up to 4 sides. Contains 4 adjustable cot liner muslin pieces. Designed in Australia. Registered Design .