PVC, PET, PP, PS tray gold chocolate tray 15pcs for chocolate boxes 1,Material: PVC,PET,PP,PS material with ... ,square,rectangular,oblong,boat3,Usage: This blister tray is mainly for transportation of the electronic products.Also are widely used at ... manufacture the most suitable blisters to fit clients' products.7, Pricing: depending on the size and material to be used;8 ...