Simply slide this one-pocket Seat Sack over a student's chair for quick, convenient, instant organization and storage of school materials. Roomy storage pocket features a 2" gusset to expand for extra storage. Clear plastic sleeve holds a replaceable name tag. Machine-washable Seat Sack is made of a durable, premium, high-quality, poly/cotton laminated material that is sewn and back-stitched. It is certified flame-resistant, CPSIA and Prop 65 and meets additional CA and EU standards. Use in the classroom, home office, library, music room, church, synagogue or anywhere extra space for chair storage is needed. Seat Sack comes with 25 name cards.