Package content: you will receive 8 pieces essential oil key tools in different colors, including black, pink, yellow, purple, green, silver, sky blue, blue enough quantity to meet your needs. Reliable material: made of high-quality zinc alloy material, precisely fit holes securely in openings and roller caps to quickly remove these tricky caps and rollers for essential oils Applicable size: roller bottle opener is 6.1 x 2.8 cm or 2.4 x 1.1 inches, with key chain hook pendant, easy to put in your handbag or hang on keys for easy access. All-in-one tool: not only can open bottles of essential oils, which are suitable for damage-free replacement of roller bottles and die caps, but also for opening glass bottles with drinks. Widely used: the S: the key cap removal tool can be used as a decoration for key chains, ideal for home, office, party, wedding, camping, hunting and travel.