1. Clear Scale Markings: Each bottle features clear and easytoread scale markings, allowing you to accurately measure the amount of milk. This function helps you monitor your calf's intake and ensures they receive the right nutrition during each feeding. 2. Quality Material: These calf bottles are made from silicone and plastic, offering both flexibility and durability. They are designed to withstand repeated use while being gentle on your calf's mouth, ensuring the bottle's longevity. 3. Ergonomic Handle: These 2piece calf bottles are designed with a comfortable, ergonomic handle for easy handling during feeding. The handle provides a secure grip, enabling more controlled and precise feeding, especially during extended use. 4. LeakProof Design: These bottles feature a sturdy, leakproof design to prevent spills and mess. The secure cap and silicone nipple ensure the milk stays in the bottle, keeping your surroundings clean and making feeding more convenient.