1.material:silicone,metal 2.free of stains and heavy metal 3.approved by Rohs 4.logo printing is available 5.portable 1.material:silicone,metal 2.free of flash,stains,scratches and heavy metal 3.conforms to Rohs 4.can print your own logo 5.convenient to hold coins,changes 6.prevailing in the market 7.welcome your own design 8.a trial order is acceptable