Why should I consider buying a bag with an extendable pocket?

The extendable pocket bags are a little more expensive but they  give you more options when using the bag.

The standard pockets are wide enough for water bottles, balls and toys but the extendable pockets give you the option to store larger items or to carry dog waste once it is safely stored in one of our poo bags.

Take a look at the video to see them in action.