I like this for flashcards and task cards.

These work well for puzzles, board games, laminated sheets, larger bulletin board display pieces, etc.

Both can be found way cheaper at Michaels than amazon, but the Michaels site is acting up. Sign up for michaels emails and sale alerts, and they are super cheap. Also, if you have a work ID or recent educator pay stub, ask for your discount. it's either 20 or 25%.