Our ZOO BISCUIT key chain is too cute for words . This is a great gift for any South African. We love ZOO BISCUITS & this will definitely bring a smile to many faces. Get a Bokkie for your Bakkie! Dimensions (60mm x 41mm x 10mm). They are 3D printed using Polylactic acid, also known as PLA. This is a thermoplastic monomer derived from renewable, organic sources such as corn starch or sugar cane.