Rich Quantity: there are 100 pieces of silicone straw tips in 11 mixed colors, including black, clear, red, green, orange, yellow, blue, rose red, light green, purple, and light blue. Each color is in random quantity; Abundant quantities and diverse colors can meet your using and replacement needs; In addition, at the parties, you can remember your cup clearly by the color of the straw tips, which is good to distinguish, avoid picking up the wrong cup, and be more hygienic Proper Size: the metal straw tips are about 0.24 inch/ 6 mm in inner diameter, 0.31 inch/ 8 mm in outer diameter, 1.18 inch/ 30 mm in length, suitable for metal straws with outer diameter of 0.24 inch/ 6 mm; Recommended that change the straw tips every 3 month for sanitation Safe and Reliable: the straw cover is designed for metal straws or stainless steel straws, made of quality silicone material, safe, reliable and no odor, soft and flexible; Just put them on your metal or stainless steel straw, which can protect your teeth and lip from heat and cold Avoid Metallic Taste: the straw tip covers can keep your mouth from direct contact with the straw, avoid metallic taste, because some people like stainless steel straws, but not the metallic taste; They also can prevent your lip and teeth from being scratch, safer for kids or drivers Wide Usages: these silicone straw tips for stainless steel straw are lightweight and portable, which can be easily carried around, fitting for home, party, picnic, barbecue, camping, traveling, and more Features: The straw covers for reusable straws are rich in quantity, which can be applied as nice gifts to share with your family member or friend. The silicone tips for straws can avoid your teeth from being knocked by the metal straws. Specifications: Material: silicone Color: black, clear, red, green, orange, yellow, blue, rose red, light green, purple, and light blue Size: 0.24 inch/ 6 mm in inner diameter, 0.31 inch/ 8 mm in outer diameter, 1.18 inch/ 30 mm in length Package includes: 100 x Silicone straw tips Notes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays. Recommended that change the straw tips every 3 month for sanitation.