Amazon has 16′ FLEXI New Classic Retractable Dog Leash (Dogs up to 26 lbs, Black) for $10.81. Shipping is free w/ Amazon Prime or on $25+
Chewy also has 16′ FLEXI New Classic Retractable Dog Leash (Dogs up to 26 lbs, Black) for $10.81. Shipping is free on $49+