Right now there are 175 deals from Amazon Resale, formerly Amazon Warehouse Deals, in Home & Kitchen › Bedding › Mattress Protectors & Encasements. These are inspected returns and open-box items that Amazon sells and ships itself. WarehouseHunter puts each one next to its current new price, so you can see what you save at a glance.

Brands with the most offers here: BEDLORE, 100%, TICONN, OhGeni, Utopia Bedding, Bedsure, Hearth & Harbor, LUCID. Every item is a one-off, so the stock moves all day and new deals keep arriving.