Specially designed adhesive coated mats reduce foot borne dust and particulates from entering cleanrooms and controlled environments. Features: Superior quality.Numbered tabs.Adhesive coating.Multi-layered construction. (0.050 mm per layer) Specs: Contamination Control Mats- 36 x 45 - Blue- 60 Layers- 4 Packs per case Case Quantity: 4 Case Length: 92.5 Case Width: 115.3 Case Height: 2.5