Tervis crafts reusable insulated stainless steel tumblers and water bottles designed to keep drinks hot or cold for hours. With thousands of styles to choose from, customers can personalize their gear with photos, names, or monograms for a unique touch. This American-owned company has been creating durable, functional drinkware since 1946, blending tradition with modern customization options. Perfect for daily use or gifting, Tervis products combine practicality with personal flair while reducing single-use plastic waste.