Case-it 2-in-1 Adjustable Zipper 3-Ring Dual Binder, 1 Set of 3-Inch Rings and 1 Set of 1.5-Inch Rings, Green, Dual-500-GRE 3-Inch binder rings and 1.5-Inch binder rings in one unique package Adjustable spine expands binder for up to 5-Inch of capacity Removable pencil case, padded media pockets, and plenty of other storage space Built-in handle and shoulder strap Unique angled zipper design for easy opening and closing