Enjoy a restful night's sleep & rejuvenate your mattress with this featherbed white down fill 3-inch topper by Martha Stewart it starts with a firm supportive base of small whole feathers and we top that off with a super soft layer of 600 fill power white down to give you the support and softness at same time. 233 thread count, 100% breathable, down proof cotton cover 1'' top layer is filled with premium 600 fill power white down to provide softness; 2'' base is filled with feathers to provide more support. Baffle box construction keeps the fill from shifting Rejuvenate your mattress Freshloft® process ensures that the down material is clean of dust, dirt and allergens Products certified by American feather and down council Features: Breathable, Hypoallergenic Bedding Construction: Box Stitch Thread Count: 233 Bed Size: Twin Measurements: 75 Length/Inches, 39 Width/Inches Mattress Depth: Up To 24 In Deep Base Material: 100% Cotton Filling Content: 75% Duck Down, 25% Duck Feathers Care: Dry Clean Only Decor Styles: Casual, Luxury + Glam Thickness: 3 - 3 1/2 Inch Comfort Level: Moderate Protection Level: Basic Mattress Pads & Toppers Type: Featherbeds Country of Origin: Imported