LEAK-FREE PERFORMANCE: With its 100% leak-free guarantee, this 28oz shaker bottle keeps your supplements dry no matter the activity with its precision-fit screw top lid. DURABLE DESIGN: Constructed of BPA-free, food-grade Tritan material, this shaker cup is durable enough for any workout while being safe for use. MULTIPLE SERVING SIZES: Graduated measurements on the side of the bottle show ounces DESIGN: Bucked Up Perfect Shaker Red Bottle with White Buck Logo DISHWASHER SAFE CLEANUP: The Tritan plastic is durable yet dishwasher safe for simple cleaning without risk of cracking or staining over time.