20pcs 0.5ml Vials Clear Glass Bottles with Corks and 20pcs Eye Screws Miniature Glass Bottle with Cork Empty Sample Jars Small Cute miniature glass bottle that's great for jewelry making, altered art, miniature art, etc. Package: 20 pieces glass bottles and 20 pcs screws Size of Bottles: 18mm Height x 10mm Bottle Capacity: 0.5 ml; Size of Screw: 4*8mm Used for these small vials: message bottle, samples, scrap-booking, blood vials, wedding favors, wedding decorations, storage accessories. These bottles are very tiny and cute, pls check its size before purchase. Thank you.