Tifanso 8 x Silicone Straw Tips - fits 6mm diameter (0.24inch) stainless steel straws, different colored drinkware for family members. Soft touch for children, safe and comfortable. Designed to protect your lips and teeth from extreme hot / cold temps and eliminate tooth-to-metal contact. Great for any cold or hot beverage. Easy to put on /off metal straws,easy to cleaning.