FEATURES:
• Glassy transparent, lightweight, durable bottles with new print designs
• Unique leakproof air-valve
• Screw-shaped lid that only requires a half-turn to tighten.
• Improved design to bring the straw always to the front, making it easier to drink till the last drop.
• Removable handles make it convenient for packing.
• See through to see how much liquid is left inside.
