... size clipboard with metal spring Durable molded plastic Plastic food storage box US-991P clip board (Plastic material) high quality and reasonable price ... , EDM, drilling Rocker, carved machines and other equipmentOur capabilities:Prototypes, Plastic Injection Molds, Compression Molds, Blow Molds, Hot runner Molds, IML ... gone through strict QC and are with well-done package. Plastic food storage box