Portable Calculator: 1,silicone keyboard 2,solar & battery power 3,flexible,folding, ... OEM Design,LOGO 2012 New Design of Silicone Products, Solar Calculator :Silicone Calculator:Specification:1, embossed silicone button and plastic header, eco ... reference :- Silicone parts- Flexible - 8 number- Various color Portable Silicone Calculator