Plastic step stool 1)material: PP 2)easy to carry,little space for store 3)load capacity:150kgs Detailed Product DescriptionFolding mattress chair: 1.easy to carry,little space for store. 2.beautiful appearance. 3.load capacity:150kgs. Folding mattress chair:1. Beautiful appearance, various size and colors for choice.It is porpular with American,European,Japan and so on.2. Solid structure and ...