Description: 【Premium and Reliable】: Water cups are made of high quality 304 stainless steel material, which is rustproof, sturdy, high temperature resistant, and durable; can be used with confidence. 【Stackable Design】: With 4 stainless steel drinking glasses, enough for home use, stacked to save space. 【Lightweight and Convenient】: This stainless steel cup is light and portable, and does not add extra weight during the trip, which makes your travel relaxing and enjoyable. Capacity: 300ml/10oz. 【Nonslip and Heat Insulated】: Stainless steel tumblers will come with a sleeve, which can protect hands, and make it easy to hold, very suitable for traveling outdoor activities. 【Wide Application】: This portable cup is suitable for camping, picnics, and hiking. It is widely used as a beer glass, coffee cup, milk cups, tea cup, wine glass, cold drink cup, and beverage cup. Specification: Material: Stainless Steel Height 8.5cm/3.35inch, Base Width 6.6cm/2.60inch Capacity: 300ml Package Includes: 4 Stainless Steel Cups with Sleeve