Travis Travel Bottles are guaranteed to hold their liquids and comply 100% with TSA’s 3-1-1 Liquids rule. This package includes 2x 2.0 oz. bottles and 1x 3.0 Oz Bottle. Conveniently packaged in a clear 1 Quart zipper bag. TSA travel bottles are made up of Squeezable Silicone – Specially able to retain liquids during altitude pressure changes. Contains Leak proof valve technology so that contents won’t drip or spill. These travel bottles have large bottle mouth for fast, drip free fills, attached suction cup which can be temporary attached to mirrors and many smooth surfaces such as shower tiles. These are 100% BPA Free – Safe for food use. It’s purpose goes beyond traveling.