Capless Rotating Water Cup Meet the Twist Water Cup—a capless, twist-to-seal drinking cup that blends sleek European style with practical, on‑the‑go hydration. Designed for effortless sipping without a traditional lid, this cup seals securely with a simple twist, helping you stay spill‑free while you move. Capless, twist-to-seal top: Twist the top film to form a quick, reliable seal in seconds for one‑handed use on the go. Silicone membrane and straw security: The lid-less design uses a silicone membrane that creates a secure seal, with the adjustable opening allowing a straw to pass through and stay in place. Leak-proof on the move: The top seal and straw restraint work together to prevent spills, even when carried in bags or during activity. Double-wall 300 ml capacity: Keeps hot beverages hot for up to 2 hours and cold beverages cold for up to 6 hours, while the 300ML size fits a convenient daily sip. Freezer-safe and refrigerator-friendly: Chill your drinks in the freezer or use the fridge to keep beverages refreshingly cold whenever you need them. Microwave Oven Safe and practical durability: Safe to use in microwave ovens, with heat insulation and scald prevention features for everyday practicality. European-inspired design, colorful straw option: Available in Yellow and Gray, paired with a transparent straw for a stylish, modern look. Specifications Product Name: Twist Water Cup Product Configuration: Twist Cup, Transparent Straw Colors: Yellow, Gray Capacity: 300ML Size: 16.38.56.3cm Product Category: Cup Product Type: Household Supplies Style: European Function: Warm Beverage Retention Applicable Object: Water Functions: Leakproof without a lid Heat Insulation and Scald Prevention Heat Preservation and Cold Preservation Microwave Oven Safe Easy to Carry