View on LOZ Suggested Retail: $84.99. Soft Pillow Top Mattress Topper King for Firm Mattress - Grey, Extra Thick Plush Bed Topper for Back Pain with 100% Cotton Cover, Overfilled Soft Mattress Pad Cover Fit to 6”-22” Mattress.. PILLOW TOP MATTRESS TOPPER FOR BACK PAIN RELIEF. Filled with premium quality 3D & 6D plush microfiber, this generously filled mattress pad cover finds a good balance between softness and cushioning and offers optimized support for your hips, shoulders, back, and knees to avoid back ache and leaves you feeling well rested when morning comes.. 7 CALENDAR DAY FULL REFUND GUARANTEE (FROM PRIMARY PICKUP DATE) ON THIS ITEM IF ANY ISSUE IS FOUND THAT WAS NOT DESCRIBED/PICTURED. 7 CALENDAR DAY STORAGE (FROM PRIMARY PICKUP DATE) IS ALSO AVAILABLE. THE PRIMARY PICKUP DATE IS THE DAY AFTER THE AUCTION ENDS. SEE NOTES TO BIDDER, IN AUCTION DETAILS, AT THE TOP OF PAGE 1 FOR MORE INFO.