Package includes: 24 pcs dark amber roller bottles + 2 funnels for easy filling + 48 stickers + 4 spare roll balls + 1 opener + 2 droppers UV Protection: The roller bottles for essential oils are made of corrosion-resistant thick amber glass, protecting the oil against harmful UV rays Leak-Proof Design: The amber glass essentialoil roller bottles with dual metal caps, screw bottle mouth and tightness stainless steel roll balls prevents any sort of leakage. Portability: 0.8 inch wide, 3.35 inch height. 0.35 Ounce (10ml) Capacity. Perfect for travel and it easily fits in your purse. Multiuses: Ideal Storage & Dispenser Bottles for essential oils, perfume, beard oil, skincare oil, massage oil and more PrettyCare Glass Roll on bottles with Stainless Steel Roller Balls are the most convenient and economical way to dispense essential oil blends. Snap in the roller-ball by gently placing the roller-ball in the bottle and then firmly tighten the cap until the roller-ball snaps in. Use the roll-on bottle to apply the perfect amount of product each time. Remove the roller-ball by applying pressure with the cap. How to use the Essential Oils Opener: 1, Removing the orifice reducer insert: put the edge of the opener underneath the reducer and push down. Reducer would pop out 2, Closing the orifice reduce insert: Once the reducer pops out, find the correct hole in the center of the opener that fits your reducer size. Place the correct hole on the top of reducer and press down Package Include: Glass roll on bottle with lids Essential Oil Bottle Stickers Essential Oils Opener Funnel Extra Bottle Roller