... .Tolerance Strictly upon international standard, no flash.Color Black, transparent, green, red, yellow, grey, purple, pink or as your requested. ... QC and R&D teams to assure high quality proudcts. 3. Quick shipment (tooling:7-10 days, mass production 1-2weeks).4 ... high efficiency.5. Small order quantity is welcomed. 6. Can help you develop the design based on your idea. Good quality medical silicone ...