Our light weight cotton poly comforters/duvet inserts are perfect combination of 55%/45% soft cotton blend top for durability and year round comfort. These inserts or comforters are light weight and easy to care for. These comes in baffle box design/box stitch and have corner loops for secure placement to prevent fill shifting. The top material of these inserts or comforters is made from T-210 cotton blend and filled with 210 GSM micro gel polyester fiber.