Photo 1 of Guardmax Premium Box Spring Cover - Twin XL Size Waterproof and Bed Bug Proof Zippered Box Spring Encasement - 6 Side Absorbent Boxspring Protects Against Bed Bugs, Dust Mites, Spills, and Stains.

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Photo 1 of Guardmax Premium Box Spring Cover - Twin XL Size Waterproof and Bed Bug Proof Zippered Box Spring Encasement - 6 Side Absorbent Boxspring Protects Against Bed Bugs, Dust Mites, Spills, and Stains.Photo 2 of Guardmax Premium Box Spring Cover - Twin XL Size Waterproof and Bed Bug Proof Zippered Box Spring Encasement - 6 Side Absorbent Boxspring Protects Against Bed Bugs, Dust Mites, Spills, and Stains.