Memory locket has about one inch space across. Depending on the size of the charms selected, 5-8 will fit. If the loose birthstones are selected, as in a grandmothers locket, over 30 can be added!
Chain is about 29 inches and fits easily over the head. It can be shortened by taking links out of the chain.
Locket is sold on line empty. Charms are sold separately.