Description : Butterfly shape earring backs , women , ladies . Earring backs are made 925 sterling silver , It is pliable , , lightweight . 5 pairs earring backs , which are enough for use to replace your lost or torn one . Those earring backs with storage case , easy your bags , dresser or drawer , of missing . NOTE : These earring backs are small jewelry accessories , please keep from . Size Chart : Small : Length : Approx . 4 . 4mm ; Width : Approx . 4mm ; Thickness : Approx . 2 . 9mm Medium : Length : Approx . 5 . 5mm ; Width : Approx . 4 . 5mm ; Thickness : Approx . 3mm Big : Length : Approx . 6 . 2mm ; Width : Approx . 5 . 2mm ; Thickness : Approx . 3 . 2mm Package Includes : 5 Pairs Earring Back ( 2 Pack ) Note : Since above is measured , of the actual item you received slightly different . Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same .