Here’s a full description of a stainless steel protein shaker by Flex Boom, based on what I can typically find in such shakers:

Flex Boom Stainless Steel Protein Shaker

This shaker is built for durability and performance, featuring food-grade stainless steel construction that’s resistant to rust, dents, and scratches.

Flex Boom Stainless Steel Shaker: Ditch the lumps! Leak-proof, odor-resistant, and keeps your drinks icy cold. Shop now for the best shaker on the go!

• Material: High-quality, food-grade stainless steel ensures the shaker is built to last and won’t impart any flavors or odors to your drinks.
• Leak-proof lid: A secure, leak-proof lid with a screw-on design prevents spills and messes while on the go.
• Mixing power: The shaker cup’s design, possibly featuring an internal agitator or mesh screen, effectively blends your protein powder, ensuring a smooth, lump-free drink.
• Capacity: The capacity will likely vary depending on the specific model, but most stainless steel shakers by Flex Boom likely offer a capacity of around 24-28 ounces, which is ample for your post-workout protein shake or any other beverage of your choice.
• Easy cleaning: The smooth, non-porous surface of stainless steel makes the shaker easy to clean. Simply rinse it with warm water or toss it in the dishwasher after use.
• Stylish design: Flex Boom shakers often come in a variety of sleek and stylish designs, so you can choose one that matches your personality.

Overall, a Flex Boom stainless steel protein shaker is a high-quality, durable, and convenient option for anyone who needs a reliable shaker for their protein shakes or other beverages.

Additional features that some Flex Boom shakers might have:

• Insulated construction: Keeps your drinks cold for extended periods.
• Wide mouth opening: Makes it easy to add ingredients and clean the shaker.
• Measurement markings: Allow you to easily measure out your ingredients.
• Carrying loop: Makes it convenient to carry your shaker on the go.

I hope this description is helpful! Since I cannot look up specific details about Flex Boom shakers, some of the features mentioned here might not be available in all models.