Yep. I really like my expandable binders. Those little ones will be VERY expensive and each one won't hold very many cards. I strongly urge OP to not buy the ones linked.

Get these: http://www.amazon.com/Ultra-Pro-3-Hole-Side-Load-Pocket/dp/B009WU5EG4/ref=sr_1_3?ie=UTF8&qid=1460765053&sr=8-3&keywords=side+load+card