... 2.Food class plastics for slide tunnel,5-8 years won't fade 4.7.5*4 ... and Durable. at least 5 years won’t fade,matched with surrounding.wood corrosion preventive dealing ... 2.colorful LLDPE, Food class plastics for slide tunnel,At least 8mm thicknessSize:7.5*4 ... 1.wood corrosion preventive2. plastic molding powder Main Funs:slide,bore, climbUsage scopekindergarten , residential park , school ,park ...