About This Advanced Sealing Technology: Our vacuum sealing technology and one-way carbon dioxide valve lock in coffee flavor and prevent oxidation. The silicone seal blocks moisture, odors, and air, keeping coffee beans fresh for up to 4-5 weeks and preventing spoilage Food-Grade 304 Stainless Steel Material: Made from durable, BPA-free 304 stainless steel, ensuring safe storage. Protects coffee, tea, spices, or dried goods while resisting rust and maintaining purity, suitable for any kitchen environment Time Dial for Enhanced Convenience: Track the roasting date with the built-in dial timer, making it easy to monitor freshness at any time Includes a stainless steel measuring spoon: Use the included stainless steel spoon for precise measurements, and hang it on the side for convenient use Multi-functional storage and portable solution: Holds 2.8L of coffee beans or stores sugar, flour, nuts, and mixed snacks. Offers a portable size, perfect for travel, backpacks, or countertop display Overview Brand : DTXIAQIAO Color : white Material : Stainless Steel Capacity : 2.8 Liters Product Dimensions : 5.1"L x 5.1"W x 8.3"H