LOCK'EM UP !! EVERYONE WILL HAVE FUN WITH THESE EACH SET COMES WITH TWO KEYS INDIVIDUALLY PACKAGED SAFTEY RELEASE ON AND OPENER ON SIDE OF HANDCUFFS- SILVER ELEROPLATED PLASTIC HANDCUFFS- FUN TO PLAY WITH MAKES GREAT PARTY FAVORS GREAT SELLER FOR ALL KINDS OF STORE MAKES GREAT PRIZES GREAT PRIZES FOR DENTIST, SCHOOLS AND MORE HANDCUFFS ARE 7 INCHES FROM ON END TO THE OTHER HANDCUFFS ARE MADE TO FITS MOST YOU'LL HAVE FUN WITH THESE HANDCUFFS