The important matter is that many customers don't know the duvet cover.So Now i could teach you a way.As long as you find the zipper，it's the duvet cover.2016 Hot Silk Quilt Black Satin Sheets Bed Linen Cotton Solid Satin Duvet Cover Set King Size Bedsheet 4pcs of Bedding Setsis_customized:YesFilling:NoneFabric Count:40Thread Count:200TCTechnics:WovenUse:HomePattern:PrintedColor Fastness (Grade):National StandardsGrade: QualityPattern Type:SolidType:Duvet Cover Set(Without Comforter)Style:ModernMaterial:Silk / CottonFabric Density:128X68Weight:1.3kg-2.1kg/setModel Number:black satin sheetsQueen / King Size:duvet cover: 200 x 230 cm 1pcsbed sheet: 230 x 250 cm 1pcspillowcases: 48 x 74 cm 2pcs Super King Size:duvet cover: 220 x 240 cm 1pcsbed sheet: 230 x 250 cm 1pcspillowcases: 48 x 74 cm 2pcs