Dear BingHang Industry, My company is a small to medium well established pharmaceuticals manufacturer and marketer in Malaysia. I am interested to purchase a number of these cold packs for the use on the knee joint along side one of my products. If you could be so kind to let me know further about the product specs in measurements, quality, etc, price, MOQ, and send me a sample for viewing i would be most obliged. Sincerely, Justin Yee Product Mananger Advance Pharma S/B I want to receive: Product Spec . Price Payment . Sample Needed . Product Catalog . Minimum Order . Inventory Info . Packing Info .