Extremely soft mattress topper. Crafted of microfiber material. Baffle box design prevents filling from shifting. Hypoallergenic. Machine washable. Available in twin, full, queen, and king. Even the most comfortable mattress can stand to be a little more comfortable. That's where the Mattress Topper Down Alternative - White comes in. This plush topper is filled with down alternative and stitched in a baffle box design to prevent shifting, so you'll have the same consistent comfort every night. This mattress topper is also hyperallergenic, and features a smooth microfiber exterior - MAT TOPPER TW.