Ceramic SIMPLE, SOPHISTICATED, FUNCTIONAL: Set includes 3 canisters; Coffee Canister measures 4.5 x 4.5 x 5.5" and holds 4.5 cups; Sugar Canister measures 4 x 4 x 4.5" and holds 3 cups; Tea Canister measures: 3 x 3 x 4" and holds 1.25 cups INSTRUCTIONS: To seal lid effectively, press firmly down then rotate at least a quarter turn. Lids are not airtight MATERIAL AND CARE: Heavy duty ceramics are dishwasher safe; For the bamboo lids, simply remove the silicone attached along the lid, hand wash with soap and rinse with water; Wrap the silicone around the lid again and seal back up to use again STYLE & VERSATILITY: Whether giving as a gift or using in your own home, these containers will surely add charm to any kitchen and bring compliments from guests REVIVE YOUR HOME DECOR WITH DII: We offer a wide variety of goods for home and kitchen; Find a collection that speaks to you by visiting our Store Front by clicking the DII link at the top of the page