... newC: It is made of pine wood,can protect kids w 1set/ctn ell.D:It is very easy ... to install .Installationeasy installPackage1ctn/setApply tokindergarten ,nursery ,school ,family ,day care center ,etcPackingStandard export packingWarranty Periodlifetime warrantyAttentionsplease keep in ... ect.3. PackageA. Knocked down, easy to move and clean.B. standard export package, which ca protect your goods ...