This cot size ocher yellow linen fitted sheet Yellow Summer is made of 100% stonewashed linen. It fits perfectly around the mattress in a crib. Sleeping on a linen bottom sheet is very comfortable for babies and toddlers due to the structure of the fabric and the absorbing capacity. Linen is hypo allergenic and anti-bacterial, it contains no dust mites. Premium quality, sustainable European linen. Packed plastic-free.