Features 1. Magical Color Changing Cups: Pour iced water or cold beverage in these cups with lids and straws, then the confetti on cups will change color instantly and magically once the temperature is under 17F. With color coordinated lids and straws, these colorful cups can cool you and friends down and stay hydrated on a hot day. 2. Go Green Starter Kit: Made of food-grade BPA-free material, reusable plastic cups with lids and straws can be an eco-conscious alternative to disposable cups. Resisting plastic smell, these plastic cold cups bulk can ensure an ecological lifestyle for you. 3. The snug fit lids can snap on the cups easily and securely in case kids and adults tip over their drinking cups causing spills and mess. With a circular bumper to avoid falling off, the straw will not lose easily. These stackable and space-saving cups are so sturdy and durable that you can use them not only indoors but outdoors. 4. Fun Colored Cups To Share: Plastic party cups with lids and straws are perfect for tropical vacation, poolside gathering, family barbecue or outdoor travel. Just take your cup and enjoy the colorful vacation and passionate summer. 5. Hold Comfortable& DIY Gifts: The size of 24oz Color changing cup is comfortable to hold. it's the perfect gifts for adults and kids, you can personalize cups by applying adhesive vinyl. Specification Material: PC Color: Multicolor Size: 18 x 10 x 6 cm Weight: 70 g Capacity: 701-800 ml Package Include: 1 Plastic Cup