1) 100% brand new and high quality. 2) Protect your laptop against the dust, water, shock, scratch etc. 3) Dust-proof , static-proof ,scratch-proof 4) Material: Woolen Felt. 5) Color: Gray, Deep Gray. Compatible with: For Apple/ Samsung/ Dell/ HP/ Acer etc. 11" 12 : 31 x 21mm 13" : 34 x 24mm 15 " : 37 x 27 mm