Does anyone know where I can get one of the 'wrap-around' stretchy baby carriers in-store?

You can get sukiri at Kiddy Palace. There are a few brands which is like this. What type do you prefer?

You may be referring to Konny baby carrier. They are available online too.

thanks

Check this out. http://www.babyslingsandcarriers.com

My friend got hers brand new from carousel.

Are you referring to this?

Kiddy Palace, Mothercare.