Home Amazon Goldbox deals Amazon: Sleep Innovations 2 inch Memory Foam Mattress Topper and Waterproof Mattress... Amazon Goldbox deals Amazon: Sleep Innovations 2 inch Memory Foam Mattress Topper and Waterproof Mattress Pad – Twin XL By ARCOM - 10 February 2017 278 0 SHARE Facebook Twitter Amazon Goldbox Deal: List Price: $89.99 Deal Price: $51.97 You Save: $38.02 (42%) Sleep Innovations 2 inch Memory Foam Mattress Topper and Waterproof Mattress Pad – Twin XL Expires Mar 1, 2017