Yihui Arts Handmade Funky Dog House Paintings On Canvas With Cigarette (40Wx40L) 1.100% hadnmade by professional artist With 1.2" thickness stretcher bar, ready for hang All of material is 100% environment friendly, also best quality. It can maintain 20 years at least 13 years export experience. Total export more than 1,000,000 pcs to worldwide Company with B.V. & SGS certificate