ONE A DAY dayone Simple Caffeine Molecule Cast Necklace Romance Structure Chemistry Pendant Collares Length:2.6cm, Wide:2.6cm, Chain Length:45cm Material:Alloy, Chain Long alloy pendant necklace, smooth texture and unique design, which is distinctive, reveal the person's personality and charm, Which is suitable for different occasions In general the delivery time is 7-15 days Lobster-claw-clasps, spring-ring clasp. Exquisite gift is suitable for different occassions.