Eforstore 50pcs 0.5ml Vials Clear Glass Bottles with Corks & 10pcs Eye Screws Miniature Glass Bottle with Cork Empty Sample Jars Small 18x10mm Pack of 50 pcs glass jars with cork stoppers & 10 pcs eye screw. Material: Glass. Size of Bottles: 18mm Height x 10mm Bottle Capacity: 0.5 ml. Used for these small vials: message bottle, samples, scrap-booking, blood vials, wedding favors, wedding decorations, storage accessories. Roll up your favorite art snippet, photo, wrapping paper, postcard, magazine clipping, laser-printed messages or other paper items - insert into bottle for instant 3-D art. Note:please only choose from seller "Eforstore", we will not take responsibility for any poor quality product from other sellers.