Proven solution to reduce pressure for back of the head, limiting risk of positional flat head syndrome and plagiocephaly. Naturally support baby's delicate head and body. Thousands of families re-create the feeling of being held with our ergonomic mesh support. Crescent Womb gives unprecedented support and comfort for your baby. Offering healthy rest for baby, and peace of mind for you. Compatible with any standard crib. Machine wash every 2-3 uses. Crescent Womb is lightweight and portable, allowing for easy travel. US PATENT 9943175