Fits CT-SC-U3, CT-SC-U3L-LF. Also available as a pack of 400 SKU SL-PA-CT3-P. World Centric tray sleeves for 48 oz containers are made from FSC certified paper from responsible sources and have no wax or plastic lining, making them naturally compostable. Great for takeout and grab-and-go meals, these compostable tray sleeves help keep food safe and containers closed during transportation. Custom printing is available.