?Spill-Resistant Functionality? Snap-on lids with retaining-ring straws prevent slips and leaks. Concave bases stabilize cups on surfaces, while stackable shapes optimize storage. The 16 oz capacity suits iced coffees, smoothies, or sodas during active use ?Multi-Event Versatility? Ideal as party cups bulk for indoor/outdoor events like picnics, barbecues, or beach trips. Reusable nature makes them practical gifts for graduations, holidays, or daily use as travel drinkware, replacing disposable alternatives Specifications: Material: PP Color: Multicolor Size: about 16oz Package includes: 20 x Plastic Tumbler Notes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays.