Extra heavy-duty mattress bag protects your bedding while in storage or transit, Generously sized storage bags available in 3 sizes to fit any mattress from Twin to King/Cal King - Easily slips on and off your mattress or box spring, Durable 3 mil material, Multiple sizes for any mattress, Essential in safely disposing a bed bug or mold infested mattress, Safe Mattress Storage, Extra durable 3 mil polyethylene material resists rips and tears, Double adhesive seal protects bedding from dust, moisture, and pests