Bionix Safe Ear Curettes remove wax effectively, but are more flexible and safer than metal curettes. Made of smooth, flexible polypropylene, these curettes are not hard like rigid stainless steel. That means they're designed to flex and bend when they encounter an obstacle. These curettes feature single-use convenience. No sterilization costs and hassles. No risk of cross-contamination.The Purple VersaLoop has a smooth flexible tip that gives the user exceptional control while offering the patient more comfort. 3mm tip.