These insoles are 2

Recommended Uses: In manufacturing of products such as dust shields

NOT 5 individual pieces of 3 feet x 72 inches wide

Quality: 100% synthetic white polyester felt

Color: 5pcs True Red

F-3 Industrial Felt Samples - 1/8" 1/4" 1/2" Thick 2-1/2" These insoles are 2Heavy Duty Industrial Felt SAE F 3 Felt is one of the most durable industrial felts with an 85% wool content. F 3 serves the same general purposes as F 1 but is slightly less dense. Its advantages include excellent vibration absorption, resistance to abrasion and wear, and applications that require a coarse wool. F 3 felts is suitable for precision applications such as vibration mounts, precision lubrication wicking, oil seals, bumpers, gaskets,