To order: Under the the first drop down menu, CHOOSE QUANTITY HERE, choose the number of bottle necklaces that you would like. Under the next drop down menu, SIZE, choose your size preference. Finally, leave the quantity set to 1. Note that there are 2 choices for necklace length under the SIZE menu, 18 & 24. Approximate bottle measurements INCLUDING cork: Small wide 22mm (13/16 in) tall 12 mm (1/2 in) wide 7mm (1/4 inch) opening Medium 27mm (1 in) tall 12mm wide 7mm opening Medium Curved 1.75ml 32mm (1 /4 in) tall 12mm (1/2 in) wide 6.5mm (1/4 in) opening Medium Tall 35mm (1 1/2 in)tall 14 mm (1/2 in) wide 7mm (1/4 in) opening Large 8ml 45mm (1.75 in) tall 21mm (13/16 in) wide 12mm (1/2 inch ) opening. Large Tall 11 ml 55mm (2 1/8 in)) tall 20mm (13/16 inch) wide 12mm (1/2 inch) opening XL 13ml (currently unavailable, see replacement below) 55mm (2 1/8 inch) tall 22 mm (7/8 inch) wide 17 mm (5/8 inch) opening XL Replacement (wide mouth) 13ml 55mm (2 1/2 inch) tall 22mm (7/8 inch) wide 21 mm (13/16 inch) opening Hexagon 2 ml 30mm (1 1/4 in) tall 20mm (3/4 in) wide 6mm (1/4 in) opening Cube 2ml 29mm (1 1/4) 14mm (over 1/2 inch) wide 6mm (1/4 inch) opening 17-19 inch OR 24-26 inch inch black cord necklace. Store your precious tiny treasures close to your heart with this little keepsake charm. Great for flower petals, essential oils, perfumes, gemstones, charms, a bit sand & shells or dirt & pebbles from your favorite spot, wisps of hair, baby tooth, love notes, loved one’s signature, tiny photograph, scraps of ribbon/material etc Fish Ichthys Empty Fillable Mini Glass Bottle Charm Corked Stopper Black Faux Leather Cord Necklace Pendant Tiny Jar Jewelry