【Queen/King】Size: Fits Queen and King Size Mattress ( smaller than 76 × 84 inch ) with height up to 14 inches(≤14 inches). Please see the attached size guide picture to select a suitable plastic bag. ●【Economical & Light Weight Version 】: Includes 2 bags (3D shaped bag) made of 2 Mil polyethylene material. The item weight is about 2.6 pounds. If you want a sturdier one, you could consider Medium Weight Version (2.5 Mil and 3 Mil ) or Heavy Weight Version ( 3.5 Mil or 4 Mil ). ● 【NO Zipper/Closure/Handle】: Please NOTE that there is NO Zipper or Closure or adhesive strip on the end, you need to buy some 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 and disposal mattresses, also useful for protecting other bulky furniture like Patio, Chair, Sofa, Loveseat, even Christmas trees.