1. Size: 60 x 27 x 13 inch (Not included mattress), It is very suitable for open mattress measures 78 x 58 x 4 inch, folded mattress measures 58 x 26 x 12 inch tri folding memory foam topper. Note: The bag does not fit 6 inch Thickness of the mattress, before purchasing, please carefully measure the thickness of the tri folding mattress. 2. Convenience: There are 2 handles on the top, which are not easy to tear, and are equipped with 2 velcro buckles, which can better fix your memory foam mattress, convenient to carry when you move or travel. 3. Design: The carry bag of trifold mattress is designed with a 3 side metal zipper, which makes it easy to put your folding mattress in, and the handles on both sides can be easily moved. Note: The package may have an unpleasant odor when first opened. You can take the product out and let it sit for a while until the odor dissipates before using it. 4. Multiple Protection: The bags can be dustproof, waterproof, sunscreen, and can also prevent pets from damaging the mattress. The zipper is not waterproof, please do not place it for a long time in rainy days.