Features: Nice choice for gift: The reusable plastic cup with lid and straw is ideal as a birthday gift, wedding gift, bridal shower gift, anniversary gift, Mother's Day gift, Christmas gift, thank you gift, housewarming gift for your friends, family members, colleagues and more. Warm tips: Before use, please wash the whole body of the cup. The correct way to open the lid: rotate upward to open. Do not press up and down to open the lid, it will cause the rubber ring to fall off. Specifications: Material: acrylic Cup capacity: 16 oz Color: matte black Package includes: 30 x Acrylic skinny tumblers 30 x Straws 30 x Lids Notes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays.