The Retractable Dog Leash is a really useful leash for any dog guardian as it can be used for small or large breed dogs-- depending on their weight--and comes in a variety of lead lengths and colours!
You may find this post from the Dog Cancer Blog to be beneficial if you're wondering whether your dog with cancer should exercise:
We hope this makes your walking experience more comfortable and enjoyable! :-)
Retractable tape leash with soft grip with tape recoil system and short-stroke braking system. Size: XS (3m, up to 12kg).