The stainless steel metal straws are reusable, sturdy and environmentally friendly for daily use. The retractable straw is ultra 8.3 Inch long and the two sections can be separated and merged. It can be folded in a waterproof ant cloth PVC case with keychain. You can carry it with you to anywhere. Made of food-grade stainless steel, non-toxic, BPA and lead free, no metal aftertaste. Coming with a flexible wire brush that fits perfectly inside to make it easy and make the straw a thorough scrub for next use.