[BOTTLE COMPATIBILITY: These bottle handles are tailored for nanobebe 5oz and 9oz Baby Bottles. SOFT & ERGONOMIC DESIGN: Our baby bottle handles offer unparalleled convenience for infants. Designed with ergonomics in mind these handles are crafted for little hands to grasp effortlessly. EFFORTLESS INSTALLATION: Installing our baby handles is a breeze for everyone! Remove the nipple and outer ring from the nanobebe Bottle then slide the handle on from top to bottom. LEAK-PROOF DESIGN: Slide them onto your nanobebe baby bottle effortlessly ensuring your baby drinks independently without the risk of spills. 100% BABY SAFE: Rest assured that our bottle handles are a safe choice for your child. BPA-free and completely safe these handles are easy to clean and conveniently dishwasher-safe prioritizing both safety and practicality.]