Stay hydrated in style with this 40 oz stainless steel travel tumbler, featuring a bold blue background decorated with colorful koi fish swimming among water lilies and bubbles. Both functional and artistic, this insulated tumbler is perfect for adding a splash of whimsical charm to your everyday routine. Crafted from durable stainless steel, it’s designed to keep drinks hot or cold for hours. The wide ergonomic handle makes carrying easy, while the slim base fits most car cup holders—ideal for commutes, road trips, study sessions, or long office days. Complete with a matching lid and reusable straw, this tumbler makes sipping on iced coffee, tea, or water convenient and spill-resistant. Perfect for gifting, this koi fish tumbler makes a unique holiday gift idea, boho stocking stuffer, or everyday drinkware upgrade for anyone who loves aquatic vibes, functional design, and eye-catching details. Whether you’re fueling up with cold brew or winding down with tea, this tumbler is a stylish way to enjoy your favorite drinks on the go.