This is a set of two Snow Peak multi-canisters. Purchased in May of this year. Used twice for carrying coffee beans on mountain hikes. The containers are airtight and can store coffee beans, etc. The lids are made of light-shielding dyed Tritan, which reduces the effects of ultraviolet rays on the contents. How about using them for coffee beans, tea leaves, dried goods, or snacks? 〈Product Details〉 Per piece Capacity: 180ml Weight: 95g Size: Φ78 x 50(h)mm Material: Stainless steel, saturated polyester resin (Tritan), silicone rubber