MiiR gives 3% of revenue to trackable giving projects. Every MiiR product comes with a Give Code that allows you to experience the story behind your purchase. Flip. Register. Follow.. Cup, vase, snack stash, fort for ants, this pint dominates whatever task you assign it. 18/8 medical grade stainless steel doesn't transfer flavor or leave you with a metal aftertaste in your mouth. Stackable. BPA free. 16 oz. capacity. Hand wash recommended. For best results, wash your MiiR product with a long-handled soft bristle brush, soap, and warm water.