P-type Cleaner Shell material: duralumin/ stainless steel Cleaning material:Class-100 superfine fiber Number of Cleaning times : 200 times/piece(100times/side,both of sides can be used) Cleaning effect: -20 -50dB(return loss) Product weight:500g Size: 155mm (Width) X 155mm (Length) X 10mm (Thickness) *Cleaning material can be changed.