Sizes: Single, Double, King or Super King. 100% duck feather filling: Sumptuously filled with 100% duck feather. Mattress topper: Get extra comfy with a duck feather mattress topper. 100% cotton cover: 233 thread count cotton cover. Easy to install: Complete with four corner straps for a snug fit. Packaging: Comes in a rope handle bag. Duck Feather Mattress Topper | Single | Living Social