• Waterproof internal zipper cover to secure the memory foam pad for QQBed's brand memory foam pad cushion product or any similar size bed. 
• The internal cover is 100% waterproof on both sides to temporarily prevent any liquids from sipping into the foam under normal. 
• The internal cover is flat style and not in a gusset style like the external cover. Recommend to hand wash and let it air dry naturally. Stuffing is not included.  
• Please keep in mind this is a flat-style cover, you need to add the thickness of your bed toward the length and width of this cover in order to fit on your pad cushion. The below dimension sizes will provide some guidelines on which flat cover size you need.
• Patio Cushion Sizes - 22"X20" fits 18"X16"X4" cushion, 24"X22" fits 20"X18"X4" cushion, 28X26 fits 24"X22"X4" cushion, 28X28 fits 23"X23"X5" cushion, 30X30 fits 25"X25"X5" cushion.

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