Application:Home Appliances,Communication equipment,computer keyboard Keypad Button Material:PET,PC,Silicone,Acrylic Name: Memebrane Switch Design:CAD/AI/CDR format Certification:ROHS,REACH,CE,IS Test:100%QC Material:PET,PC,Silicone,Acryliy Color:According to pantone color number Back-adhesive:3M467,3M468,or others Factory Experience:16 years customized factory The materials we use include polycarbonate, polyester, aluminum and all various types of adhesives for different membrane switches and overlay constructions.And Our team of engineers and designers can provide unique innovation to your process.