Material: These Drinking Straws Are Made Of Stainless Steel. They Are Very Strong, Not Too Heavy Or Too Light. | | Accessories: Silicone Tips - Keep Your Lips From Getting Too Cold Or Too Hot And Protect Your Teeth And Lips From Chipping. Brushes - Long Cleaner,You Can Clean The Inside Of The Straws From Top To Bottom Easily. | | Durable: They Are Durable, Washable. One Stainless Steel Straw Can Last For Years And Replace Hundreds Of Plastic Straws For You. | | Choice: From Loved Ones To Acquaintances, This Reusable Straw Set Is The Option For Any Occasion. | |