Bedding Accessories Compliment your new mattress with luxurious bed sheets, waterproof mattress protectors and cooling pillows. Yankee Mattress is proud to partner with PureCare®, the official mattress protector of The National Sleep Foundation. SUB-0°® Pillows Downlite Chamber Pillow – Down $119.95 – $139.95 See Product Malpaca – Alpaca Wool $119.95 – $139.95 See Product SoftCell Chill – Gel $119.95 – $139.95 See Product Waterproof Mattress Protectors “Frio” Premium Mattress Protector $109.95 – $129.95 See Product 5 Sided – Premium Mattress Protector $79.95 – $99.95 See Product Mattress Toppers Double-Sided Mattress Topper $199 – $399 See Product