ON-THE-GO - The miniature and portable size lets you bring 75 cc of supplements with you wherever you go. EASY-TO-USE - Simply fill from the bottom and then funnel from the top into any drink bottle. EASY CLIP CARABINER - Use the carabiner to clip the bottle to whatever you like such as keys or gym bags. DESIGN - Patented dual cap design. Eco-friendly. TSA-friendly. Food grade BPA-free plastic. MANY USES - Not just for supplements, but also great for vitamins, baby formula, spices, and more.