The stackable containers are made from food-grade PC material. It includes four containers, 1.3oz(40ml), 2.0oz(60ml),3.3oz(100ml) and 5oz(150ml). Twisting and lock system connects containers of any size in any order. Interlocking containers for carrying powders, vitamins, supplements, and snacks. For easy carrying or clipping to bags, shaker bottles, etc.
