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4 pack of basic 3 ring binder has a 1 inch round rings that hold up to 175 sheets; durable polypropylene material lasts longer and is more durable than vinyl

Chipboard is 100% recycled with 75% post consumer waste; two opaque interior pockets hold loose sheets

Traditional round rings with top and bottom open and close triggers

Video Review Wilson Jones 3 Ring Binder, 1 Inch Round Ring, 4 Pack, Blue (W70368-14NBLPP)