Buy the JAM Paper 9.75" x 11.5" Assorted Plastic Hook & Loop 3 Hole Punch Binder Envelopes with Expansion, 12ct. at Michaels.com. Each one has a rectangular certified hook and loop closure the ensure tight closing and easy opening. Use them to sort and protect your documents against bending and tearing while the three hole punch gives you the convenient option of placing into your favorite binder.