This beautiful 20oz glass tumbler has a hand made design on the lid with glitter and real abalone shells. It is sealed with FDA compliant resin epoxy for a beautiful and durable finish. Inspired by beautiful sunset during trips to the beach, I designs and created this item so that you can take the calm and beauty of the beach with you wherever you go. The silicone sleeve is removable for ease of cleaning. Wipe the sleeve clean and wash the glass portion normally. -100% Borosilicate Glass with real wood friction-fit lid -Colorful silicone sleeves prove a no-slip grip and make it easy for kids and guests to identify their own glasses Protective silicone sleeves make the glass perfect for outdoor use as it will not sweat in warm weather. -Glass water bottle can be used to fill many kinds of liquids, such as cold / hot water, milk and beverages etc. -All parts BPA/BPS free and top rack dishwasher-safe. Do not microwave. Do not freeze. -Ideal for a range of activities To maintain the finish, the lid should be hand washed only. Each tumbler is made by hand, so no cup is EXACTLY the same! You will have a one-of-a-kind tumbler that is as awesome as you! Note: Due to the handmade nature of this item, minor imperfections are unavoidable. I do my best to provide a near perfect product for you every time.