Refresh your mattress with this dual chamber mattress topper with a plush 3-inch gusset for loft and comfort. The bottom chamber is filled with nano feathers, in which the feathers run through a process that removes the pesky quills from feathers to provide a poke free, down-like feel. The upper chamber is filled with a layer of polyester to provide an extra layer of comfort. The 233-thread count fabric one the face of the topper offers a soft, breathable feel and the down-proof polyester bottom keeps the nano feathers in place.  Included: 1 Mattress Topper(s) Features: Washable Bedding Construction: Baffle-Box Thread Count: 233 Bed Size: Twin Fill Weight: 82 oz. of Fill Measurements: 75 Length/Inches, 39 Width/Inches Mattress Depth: Up To 21 In Deep Base Material: 100% Cotton Filling Content: 90% Duck Feathers, 10% Polyester Care: Dry Clean Only Decor Styles: Casual Certifications And Listings: Standard 100 by Oeko-Tex Thickness: 3 - 3 1/2 Inch Comfort Level: Moderate Protection Level: Basic Mattress Securing: Skirt Mattress Pads & Toppers Type: Mattress Toppers Country of Origin: Imported Contains RDS Certified Down: The goal of the Responsible Down Standard is to ensure the waterfowl in the down supply chain are treated humanely.