JR Packages [P] Ltd. Offers Light Weight Insulated Shipper Kit. JR Packages [P] Ltd. Has achieved ISO 9001:2000 certifications. Light Weight Insulated Shipper Kit allows the safe shipment of temperature sensitive products. Light Weight Insulated Shipper Kit includes pre-assembled 200# white corrugated carton with seamless molded EPS foam container and lid. These are available in case quantities.