1.wood corrosion preventive 2.Food class plastics for slide tunnel,5-8 years won't fade 4.7.5* ... wood, corrosion preventive 2.colorful LLDPE, Food class plastics for slide tunnel,At least 8mm thicknessSize:7.5*4.0*3 ... .Processing 1.wood corrosion preventive2. plastic molding powder Main Funs:slide,bore, climbUsage scopekindergarten , residential park , school ,park, amusement park , theme ...