Bamboo 12 digit multifunction solar desk calculator. Made from sustainable bamboo and hand assembled close to the bamboo crop. It measures 13cm by 17cm and includes a grand total and backspace key. This calculator has a classic look and a modern feel. The keys are highly responsive, the screeen is crystal clear, the display is at a comfortable angle and the high quality bamboo material feels smooth to the touch. It is also powerd by the sun using an optical double drive. You can reduce the amount of non renewable plastics by buying bamboo. All of our bamboo produts come in a carboard box without plastic packaging.