Product details:

Ceilingmax quickly and easily covers old tile ceilings, floor joists, plaster or drywall. Using snap-in technology, Ceilingmax works with any standard 2 ft. x 2 ft. or 2 ft. x 4 ft. tiles. Manufactured with high-grade vinyl, Ceilingmax eliminates rust and scratches without demolition cost, mess and downtime. Ceilingmax provides an immediate acoustic solution and with surface mounting, saves up to 6 in. of ceiling height.PVC vinyl material provides durability
100 sq. ft. of coverage (210 lin. ft.) per carton
Snap-in design allows easy installation
Kit includes seven 8 ft. top hangers seven 8 ft. runners twenty-five 2 ft. cross tees and six 8 ft. wall brackets