Stainless Steel: Kitchen container Jar use food grade stainless steel, ABS silicone to keep it secure and fresh, super easy to clean with whatever food you storage in. Locking clamps: Coffee Storage Container preventing food from leaking and spilling. It can be used in coffee shops, home kitchens, outdoor offices. Silicone rings: Coffee canisters with airtight silicone rings keep coffee beans fresh keeping air out. Strong Airtightness:Coffee bean container for great food reserve, coffee beans, tea, sugar, cookie or flour. Convenient Design: Airtight storage tank with buckle, easy and convenient to open and close.Lightweight, easy and convenient to carry outdoor. Specification: Material:Stainless Steel Pp Silicone Size Chart:12.1cmx11.8cm/4.76inchx4.65inch Package Includes: 1Airtight Storage Container 1 Spoon Note: Please allow slightly errors due to manual measurement and different monitors.