【Safe and Healthy Tritan Material】Made from BPA-free Tritan material, our protein shaker bottle ensures safety and is highly resistant to impact and breakage for an active lifestyle. 【Durable Stainless Steel Body with Visible Window】The sleek stainless steel body of our protein shaker bottle is not only stylish but also features a visible window that allows you to easily monitor the liquid level. No more overfilling or underfilling. 【Leak-Proof Flip Cap】Our shaker bottle's flip cap is designed with a silicone seal and a striped metal ring to prevent messy spills and leaks. Its non-slip, flexible handle makes it easy to carry your shake on the go. 【Perfect for Protein Shakes and Gym Fitness】With its wide mouth and durable construction, our shaker bottle is ideal for protein shakes, smoothies, and other beverages. It can handle both hot and cold liquids, making it perfect for any workout or daily use. 【100% Satisfaction Guarantee】We stand behind our product with a 100% satisfaction guarantee. If you have any issues, simply contact us for assistance. Shop with confidence knowing we are committed to providing the best shopping experience.