... adaptable and easy to use5)OEM orders are welcomFeatures:bubble envelope is made of composite elastic shock materials.Functions ... plastic membrane and the outer layer of kraft paper without any intermediate product, no glue, brown paper and bubble film ... , spare parts, medical equipment, watches, pharmaceuticals, glass products, etc.Bubble Specification:Diameter of 5MM, 10MM, 15MM, 22MM, 25MM, 28MM, ...