This fitted cot sheet lays smooth beneath your little one; even through tosses and turns. Crafted from a soft and breathable premium cotton jersey, it's perfect all year round. Created to stretch yet retain its shape, this fitted sheet also come full elasticized, which means there's no pulling off or bunching. Living Textiles' fitted sheets fit both standard and large size cots including Boori, Grotime, Tasman Eco, and more.