⚡ Shake it like a superhero! 🦸♂️ Officially licensed Batman design that makes a statement at the gym or office. Easy-open push-button cap with a sliding lock for spill-proof adventures. Crafted from high-quality, BPA-free stainless steel for a sustainable lifestyle. Double-wall vacuum insulation keeps your drinks icy for up to 24 hours. Mixes supplements like a pro with the iconic BlenderBall Whisk! 24 oz capacity Spill-proof design Insulated for 24 hrs The BlenderBottle Justice League Strada Shaker Cup is a 24-ounce insulated stainless steel water bottle featuring a spill-proof design and an easy-open cap. It includes a BlenderBall Whisk for smooth mixing of supplements and smoothies, and its double-wall vacuum insulation keeps drinks cold for up to 24 hours. Made from BPA-free materials, this stylish Batman-themed shaker is perfect for any age group and is dishwasher safe for easy cleaning.