The Soft Lines Martingale Dog Leash - 6 Foot x 3 / 8" Round Medium is a leash and collar in one. The design helps in preventing any force on the dog's throat area whenever it is pulled. It features a snugger and easy slide rings which self adjusts for the dog while the snugger helps in securing the dog on the leash. The collar that is attached on the leash is designed in a way where it will evenly distribute any pulling forces on the neck. 

Comes in the following:

• Martingale Dog Leash - 6 Foot - 3 / 8 in. Round Medium - Purple / Pink
• Martingale Dog Leash - 6 Foot - 3 / 8 in. Round Medium - Royal / Yellow
• Martingale Dog Leash - 6 Foot - 3 / 8 in. Round Medium - Black / Red

This Martingale Dog Leash is also available in these sizes:

• Martingale Dog Leash - 6 Foot - 3 / 8 in. Round Small
• Martingale Dog Leash - 6 Foot - 3 / 8 in. Round Medium
• Martingale Dog Leash - 6 Foot - 1 / 2 in. Round Large