100% food-grade silicone material, FDA,SGS,MSDS,CCIC certification OEM according to customers design Any color and size is ok silicone smart lids1.100% ;1.100% food-grade silicone material,approved by FDA,SGS,MSDS,CCIC2.Unbreakable,easy to keep its shape3.Any color and shape available4.OEM according to customers designs5.We can print your logo on ti,debossed and printing.