Amazon.com : Bostitch Office Ring Binder 3 Hole Punch, 5 Sheets, Includes One Punch in Assorted Colors (RBHP-4C) : Manual Multi Hole Paper Punches : Office Products
Pen + Gear 3-Hole Notebook Punch with Ruler, Clear, 3 Sheet Capacity Binder Insert Strips. 578380149,Size:2.28x0.44x11.7 in - Walmart.com
Clear Acrylic Mini 3-Hole Punch, 8.5" x 2.75" x 2.75", 10 Sheet Capacity, with Gold Tone Hardware (37135) | russell+hazel