The Classic adjustable leash is an easy to use, durable leash. 

The standard leash is fully adjustable making it easy to adjust lengths and have a more successful walk with your pet.

M-L and L-XL sizes are the 3 stage adjustable leashes. 

3 stage adjustable can be used for:

Short length for heel training or normal walking, Medium length for obedience training & Long length for recall or distance training.

Variable use due to 2 fully adjustable rings, e.g. optional buckles around waist

Extra loop e.g. for fastening dog tag or flasher