The large Time Capsule Aerospace Technology Waterproof & Airtight Storage Container is inspired by NASA BRIC 4 hardware and is designed to keep your herbs as fresh as the day you put them in! This storage jar is made with a UV resistant advanced polymer, which is both thick and durable. It features a double thick g-spec O-ring which seals tightly to keep odours in, and water and air out. It's like a time capsule for your herbs! This storage container features a wide thick screw thread and rubber seal with guarantee materials are well protected from outside elements.