They'll be very cozy in their bassinet atop this Cover. with its organic cotton fabric lending natural softness and comfort to help baby rest Details • Bassinet Fitted Sheet is made of 100% organic cotton 200-thread count. • Hypoallergenic to protect against allergens and create a healthy sleep environment DIMENSIONS • Bassinet Fitted Sheet: 15.75" wide x 31" long Pocket Depth: 1" deep Machine wash cold water, gentle cycle.