【Medium Weight Version & Balance Performance against Cost】: Includes 2 bags made of 2.5 Mil polyethylene material.It is sturdier than economical thickness（1.5 Mil thick）, ensure Tear-resistance with lower price than heavy-duty thickness ( 4 Mil or 6 Mil thick ) . If you want more sturdier one, you could consider 4 Mil or 6 Mil bag.
There is NO Zipper or adhesive strip on the end, you need packing tape to seal the mattress bag. Place mattress or box spring inside, then overlap the extra plastic and seal tight with packing tape.
No vent-hole design. Perfect for long term storage.
Perfect for storing mattresses, also useful for protecting other bulky furniture like Patio, Chair, Sofa, Loveseat, even Christmas trees
