The Vibe shaker is made of Tritan, a completely safe material for humans that does not release harmful substances when used. The shaker is airtight, screws tightly, and thanks to the silicone ribbed insert on the lid, it can be easily unscrewed even with wet hands. All necessary details are provided for convenient use: a leak-proof cap - for using the shaker with one hand, a strong silicone loop - for carrying, and a plastic ball with five blades to mix the cocktail, quickly breaking up lumps. The bottle fits comfortably in the hand, is lightweight, and is easy to clean. - perfect volume for energetic workouts - leak-proof threaded lid - airtight - mixing ball with blades that is easy to clean - lightweight and durable material without BPA, safe for humans - wide loop for carrying - volume: 700ml