Foldable Water Bottle BPA Free Reusable Attachable CHOICE of 6 Color Compact Foldable Water Bottles use social media's clever hashtag lines to make a statement. Bottles fold, roll and flatten when empty, hold 15oz Size when empty is approx. 8.5" x 3.5" Are BPA free, attachable, dishwasher top rack safe, freezeable and stand when filled.