About this Black, Blue And Rainbow Stainless Steel Straw Qty 1 Straw:Straws are made from 18/8 food-grade stainless steel that won't rust, corrode, stain, or bend. They are safe, non-toxic, and BPA-free. The straws are dishwasher safe. Recommended for adults and/or children under adult supervision. Straws should not be used when walking, driving or operating machinery. Straw 3/16" D. If choose the Jute Bag, it is 7 days production time.