Inquiry (采购产品): strong top for container I need a see through top that will have strength for vacuum pressure. Approx. 1/2 inch thick. the outer edge would be 13 1/4 inches x 18 7/8 inches. please provide price and whether the thickness should be thicker. vacuum will have a release, so overpressure will not be a factor. thanks, Mike **** Hidden Message ***** Michael Smith 509 Commerce St Franklin Lakes , NJ 07417 USA Company: Collagen Matrix Title: mfg eng Phone: 201-405-1477 x283 E-mail: msmith@collagenmatrix.com **** Hidden Message ***** msmith@collagenmatrix.com