... magnet on the back 1,silicone keyboard 2,solar & battery power 8 digit solar foldable silicone calculator with magnet on the ... back2012 New Design of Silicone Products, Solar Calculator :Silicone Calculator:Specification:1, embossed silicone button and ... plastic header, eco-friendly .2, circuit board inside with solar power battery .3, accept your logo on face .Features:- ...