Penstone Petstore:Collars, Leads, Harnesses & Tags:Collar & Lead Sets
Toy/Small - Collar: 3/8" to fit 8"-14" neck. Lead: 40" x 3/8"
Small/Med - Collar: 5/8" to fit 12"-18" neck. Lead: 40" x 5/8"
Med/Large - Collar: 3/4" to fit 18"-22" neck. Lead: 40" x 3/4"