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⭐Large 40oz capacity gradient tumbler with straw for all-day hydration
⭐Made of durable 304 stainless steel water bottler with handle
⭐Perfect for travel, office, gym, home, and gifts
⭐Double-wall vacuum insulation for hot and cold beverages
⭐Eye-catching gradient color design
⭐Customizable with logos and colors
⭐Ideal as a promotional item or personal use

40oz Stainless Steel Gradient Tumbler with Straw
Premium 304 Stainless Steel for Durability
Crafted from food-grade 304 stainless steel, this gradient tumbler is built to last. Resistant to rust, corrosion, and dents, it stands up to the rigors of daily use while maintaining a sleek look. The inner wall is smooth and easy to clean, and it won’t retain odors or flavors from previous drinks. Whether you’re sipping water, coffee, or juice, the gradient tumbler preserves the purity of your beverage. It’s a smart, sustainable alternative to single-use cups.


40oz Stainless Steel Gradient Tumbler with Handle
Double-Wall Vacuum Insulation Technology
Our gradient tumbler features advanced double-wall vacuum insulation that maintains your drink’s temperature for hours. Hot drinks stay warm for up to 12 hours, while cold drinks remain chilled for up to 24 hours. This makes it a versatile choice for any season or activity. From morning coffee to evening smoothies, the gradient tumbler ensures your drink tastes just the way you like it. The insulation also prevents condensation, keeping your hands and bags dry.
40oz Stainless Steel Gradient Tumbler with Straw and Handle
Versatile for Multiple Occasions – Your Go-To Custom Tumbler
This 500ml custom tumbler is designed with real life in mind—blending versatility, durability, and sleek style into one reliable bottle. Whether you’re powering through a day at the office, lifting weights at the gym, cruising down the highway on a road trip, or just relaxing at home with a hot cup of coffee or a cold smoothie, this tumbler fits effortlessly into every moment. The travel-friendly design fits snugly into standard car cup holders and backpack side pockets, making it an ideal on-the-go companion for busy, active lifestyles.
Thanks to its advanced double-wall vacuum insulation, your drinks maintain the perfect temperature for hours—hot stays hot for up to 12 hours, cold stays cool for up to 24. The durable stainless steel build resists dents and dings, while the BPA-free lid ensures safe sipping without leaks or spills.
As a leading tumbler manufacturer, Coolnice crafts each tumbler with precision, combining functionality with a stylish gradient finish that stands out without being flashy. It’s more than just drinkware—it’s a reflection of your lifestyle.
Looking to purchase in bulk? We offer custom tumbler wholesale solutions for businesses, events, schools, and sports teams. Whether you need 10 or 10,000 units, we ensure consistent quality, professional customization, and fast delivery. No matter where life takes you, this Coolnice custom tumbler is ready to go along for the ride—with style, strength, and your message proudly displayed.







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