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- 26 x 45 - White- 30 Layers- 8 Packs per case Case Quantity: 8 Case Length: 67 Case Width: 115.3 Case Height: 2.3