50Pcs Roller Balls for Essential Oil Perfume Bottles, Refillable Roller Bottle Inserts

Are you looking for a reliable and affordable roller ball insert to replace old parts or create your own essential oil perfumes? This 50pcs roller ball bottle inserts set is your perfect solution. HIGH-QUALITY MATERIAL: Made of premium PP plastic and stainless steel roller balls, durable and smooth-rolling for even application, resistant to clogging and leakage. WIDE COMPATIBILITY: Standard size fits most 5ml, 10ml, 15ml roller bottles and essential oil bottles, ideal for replacing old rollers or DIY blending. VALUE PACK: 50 pieces per set meet your bulk replacement needs, cost-effective for personal use, travel, or small craft workshops. EASY INSTALLATION: No tools required, simply insert into the bottle neck for a secure fit, quick to replace or refill. LEAK-PROOF & PORTABLE: Tight seal prevents liquid leakage, convenient for carrying on the go, enjoy your favorite scents anytime, anywhere. Perfect for essential oils, perfumes, skincare, massage oils, and more. A practical accessory for daily care and DIY creations.