Pending Transaction (Debit Card)?

I recently purchased a Denver Nugget hoody online at NBA store. I put in the info and was going to pay it with my Chase debit card. However when I got to the end, it cancelled. I then checked my account and it said "Pending transaction" right next to the amount. I called the people and they said something about an authorization. My question is will I get the money back in a couple of days?