This heavier-style, generously-filled duvet is puffy, warm and well-constructed with a down-proof cotton shell. Features: Box Construction: Boxes to prevent content from shifting 233 Thread Count: Prevents fill from escaping 100% Cotton: Fine cotton allows the fill to breathe Corner Loops: Loops on all 4 corners to tie and anchor the duvet in place White Goose Feather: Filled with small white goose feather to provide better lofting and insulation. Hypoallergenic: Anti-microbial process used to eliminate bacteria. Guaranteed Quality: Guaranteed against manufacturing defects for 5 Years RDS Feather: Certified by IDFL TE-99972323 This product was tested for harmful substances and certified according to STANDARD 100 by OEKO-TEX® VC025 232673 TESTEX Imported