Is this leash suitable for a strong dog?

It is rated for dogs up to about 55 lb, but retractable leashes give less control than a fixed lead. Strong pullers and dogs near the limit are better on a standard leash.

What is the difference between tape and cord retractables?

Tape is flat and wider, so it is less likely to tangle and less likely to cut into legs on a taut line. Cord is thinner and lighter but harder to see and grip.

Can I add a light or treat box?

Yes. The handle accepts the Flexi LED Lighting System and the Multi Box, both sold separately.

How long is the leash?

The tape extends to about 16 ft, giving a medium dog room to roam while you keep the brake under your thumb.

Does the handle fit different hand sizes?

Yes. The grip adjusts to fit different hand sizes, which is the main upgrade over the standard New Comfort models.

Is it good for puppies?

It can work for a calm puppy, but retractable leashes teach pulling and are awkward for training. A fixed lead is usually better until the dog walks politely.