Set the code to 0-0-0 and push the slide bar.  There are directions inside each case that tell you how to change your code.

The pulling strap will be in one of the pockets of your large suitcase.

We use touch fasteners which are very similar to Velcro.  They have a strong holding power but peal apart easily. 

Yes.  Additionally the Carry-on has a 6th pocket for your favorite power bank. 

We are only online at this time. 

We can't say, but we can assure you that getting it right was harder than it looks.  The premis is simple, but it took years of research, testing and design work to create what we think is the most useful set of luggage ever made.