Oil Slick Stacks Platinum Cured Medical Grade Silicone Containers, Set of 3 (Classic Sherbet Set) The Slick Stack container is the answer to keeping every bit of your precious extracts. Designed for travel, the Slick Stack shape fits securely in your pocket for a more convenient carry. As beautiful as they are functional, Slick Stacks are the perfect accessory for every type of dabber Slick Stack concentrate containers are made of Platinum Cured, Medical Grade silicone. Perfect for storing the stickiest extracts, a simple squeeze and release is all you need to snap the container away from the concentrate within Since nothing will stick to the container, dry or stable extracts adhere to your dabber, not the dish