Features: 1. The straw cup adopts double-wall vacuum sealing technology and high vacuum process. 2. 3 oz insulated mug is made with stainless steel interior for durability. 3. The sublimation cup can transfer the pattern you want on the cup Specifications: Name: Mini tumbler with straw Material: stainless steel Capacity: 3 ounces Color: Multicolor Set includes: 3/6 pcs mini glasses with straw