Package List 50 x Essential Oil Roller Bottle Accessories Features -Gentle Massage Benefits: The steel roller ball provides a soothing application; enjoy the even distribution and enhanced absorption of fragrance oil roller for skin comfort and relaxation fragrance oil roller - Color: Multi -Smooth Rolling: Precision-engineered roller balls ensure effortless and even application of essential oils, perfumes, or fragrances roller tops for essential oils -Easy Refilling: The essential oil bottle roller top design allows for easy refilling of your favorite oils and fragrances using perfume roller refill bottles, saving you time and reducing waste roller tops for essential oils -Material: Steel, plastic -Secure Sealing: The steel ball roller plug combined with the roller ball cap provides excellent sealing, ensuring your perfume oil rollers remain leak-proof even during travel or daily movement refillable roller bottle caps -Product Information: Essential Oil Roller Bottle Accessories - Size: 1.70X1.20X1.20cm/0.67X0.47X0.47inGoods Description refillable roller bottle caps Elevate your daily aromatherapy routine with roller bottle tops, featuring a metal roller ball cap and thick-walled roller insert for a smooth, gentle massage application. perfume bottle roller top Designed as roller ball accessories for perfume roller refill bottles, these roller ball inserts fit essential oil conversion bottles, providing a secure seal with the roller bottle replacement cap to keep without leakage