Wide range of uses: Perfect for diluted samples or small batch blends, Essential oils; Perfume Oils; Lip Balms; Your DIY liquid Blends creations and also use to give out samples to family and friends Well Made: The little rollers are made of Stainless steel, which is corrosion resistant help the oil go on smooth, No More Rollers Getting Stuck or Falling Out, fits tightly and can effectively prevent any liquid leakage Stainless Steel Roller Balls: The top of the glass bottle is fitted with a stainless steel rollerball for easy, clean and controlled dispensing of essential oils. Our rollerball glides smoothly for easy application Convenient: Ideal travel bottle, small size is portable to carry and use. Perfect for travel, and conveniently fits in your purse Package Included: 10 pcs 10 ml purple glass essential oil roller bottles with stainless steel roller ball, purple aluminum lids, enough for your daily using