Innovative Straw Design: Featuring a buckle for secure placement, this water cup ensures the straw stays in place, preventing slips and spills during use. Premium Food-Grade Material: Crafted from safe and durable food-grade material, this cup is lightweight, drop-resistant, and wear-resistant, guaranteeing long-lasting quality for everyday use. Magic Color-Changing Feature: Watch in amazement as this cup transforms when filled with ice water below 15 degrees. Whether it's water, coffee, or juice, witness captivating color changes and intricate patterns emerge before your eyes. Leak-Proof Lid: Designed with a tightly sealed lid, this cup offers peace of mind by preventing leaks and spills, making it ideal for on-the-go use without any mess or inconvenience. Ideal Halloween Gift: Perfect for gifting to family, friends, teachers, or co-workers, this water cup is a unique and thoughtful present that combines functionality with a touch of magic for a memorable Halloween surprise. Description: Introducing the innovative water cup, designed with a secure buckle on the straw to prevent slipping. Crafted from food-grade material, this cup is safe, lightweight, and durable against drops and wear. Experience the magic of color-changing with this cup - simply add any ice water below 15 degrees, whether it's water, coffee, or juice, and watch as it transforms colors and reveals intricate patterns. The tightly sealed lid ensures no leaks, making it ideal for on-the-go use. A perfect Halloween gift for family, friends, teachers, and co-workers. Elevate your drinking experience with the water cup today! Item Name: Water Cup Material: PP Capacity: 710ML Features: Ice Water Changes Color, Food-Grade, Leak-Proof Lid Size Details: L: 17cm, W: 9.9cm(Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Water Cup