YIHAO Double Wall Stainless Steel Vacuum Flask — Insulated Cup (300ml, 380ml, 500ml)

Meet the YIHAO insulated cup, a purpose-built companion for hydration on the go. Its double‑wall stainless steel construction uses vacuum insulation to minimize heat transfer, helping beverages stay closer to their original temperature longer than standard cups. With three convenient capacities, it’s designed to fit your day—from quick coffee runs to long outdoor adventures.

Three sizes, limitless routines

Choose the perfect fit for your day: 300ml for compact carry and quick sips; 380ml for a balanced daily drink; 500ml to power through workouts, commutes, or travel without constant refills.

What makes it stand out

• Double-wall vacuum insulation minimizes exterior condensation while preserving your beverage’s temperature, so you enjoy hot drinks or cold refreshment longer.
• Stainless steel form factor delivers durability for everyday use, travel, and outdoor activities without the fragility of glass or plastic alternatives.
• Compact, portable design with three size options to match your routine—whether you’re at the desk, in the gym, or exploring the outdoors.
• User-focused versatility—the insulated cup is ideal for tea, coffee, or water, enabling a distraction-free, sustainable hydration habit.

Ideal for who and when

• Students and professionals who want reliable temperature control without disposable cups.
• Gym-goers and hikers who need a durable, spill-conscious bottle that rides in bags and backpacks.
• Travelers and commuters seeking a trusted vessel that blends function with a clean, modern look.

Practical tips for best results

• Pre-warm or pre-chill the cup with hot or cold water for a few minutes before pouring to maximize temperature retention.
• Clean the lid and vessel with warm, soapy water after use to maintain performance and flavor integrity.
• Choose the capacity that aligns with your daily routine to minimize refills and reduce single-use cup waste.