RSVP Endurance 18/8 Stainless Steel Wide Drink Straws, Set of 4 (SIP-LG) FITS IN YOUR PURSE, BACKPACK, OR POCKETS: A set of four wide stainless steel straws. Measures 8.5 inches long each with a 5mm opening. Fits most tumblers, including the YETI tumbler. SERIOUSLY RESUABLE STRAWS: Our original RSVP Stainless Steel Drink Straws reintroduced us all to the flavor and fun of this vintage design; soda never tasted better than through a stainless steel straw and this continues to be true today. BETTER FOR THE ENVIRONMENT: Reduce your plastic footprint on our planet by using these 8.5 inch long, polished stainless steel wide drink straws. GREAT QUALITY: Made of superior quality 18/8 stainless steel that is durable, scratch and rust-resistant, unbendable and unbreakable. EASY TO USE AND CLEAN: Our straws are dishwasher safe but for a more thorough cleaning use a pipe cleaner with soap and water. Short 6-1/2&#034; - Ideal for kids size drinks or cocktails Regular 10&#034; - Ideal for everyday drinks and travel mugs. Ideal for smoothies, bubble tea, ice cream floats and other frozen drinks. Ideal for cocktails ideal for smoothies, milkshakes and floats.