Description: The ultimate Luxurious White Down Alternative Comforter / Duvet Cover Insert allows you to enjoy all the softness and insulating warmth you would expect from goose down without any of the allergens that affect sensitive sleepers. Use it by itself or for an insert in your favorite duvet cover! Specifications: Beautiful box stitching design to avoid any shifting. 100% hypoallergenic polyester fiber. Pristine white color Perfect for filling your new duvet cover Machine washable Dimensions: Twin / Twin XL: 64" x 88" Full / Queen: 88" x 88" King / Cal King: 102" x 90"