Made from fine, organic cotton the BabyBjorn fitted sheet for Travel Crib Light is soft and comfortable for baby to sleep on. The sheet is tailored specifically to fit the BabyBjorn Travel Crib Light mattress, so it remains stretched and in place. The sheet is approved in accordance with Oeko-Tex Standard 100, class 1 guaranteed free from hazardous substances and harmless to children"s sensitive skin.