... Buckets, Coolers & Holders Type Ice Buckets & Tongs Material Plastic Plastic Type PP/PU/PS Certification SGS Feature Eco-Friendly, Stocked ... good sealing performance, long thermal insulation time.The cooler box which insulation material is EPS often used for ... 3 hours and cold 24-48 hours.The cooler box which insulation material is PU have widely ... .3) Reusable, Non-toxic, Non-caustic. plastic cooler box