The HALO Bassinets Swivel Sleeper’s custom mattress should be covered with this custom bassinet sheet. The sheet is designed to perfectly fit the hourglass-shaped mattress and features an envelope design for a secure fit. Product Features Hourglass shape to fit the Bassinest Swivel Sleeper mattress 100% pre-shrunk cotton, 200 thread count Safer envelope design won’t come loose [More]