wholesale cotton linen canvas frame inner frame canvas canvas thickened canvas wooden frame diy acrylic oil painting board

15*15(15*15) 20*20(20*20) 20*30(20*30) 25*30(25*30) 30*30(30*30) 30*40(30*40) 40*40(40*40) 40*50(40*50) 40*60(40*60) 50*50(50*50) 50*60(50*60) 50*70(50*70) 60*60(60*60) 60*70(60*70) 60*80(60*80) 60*90(60*90) 80*80(80*80) 80*100(80*100) 100*100(100*100) round 15(圆形15) round 20(圆形20) round 30(圆形30) round 40(圆形40)

pure cotton(纯棉) linen(亚麻)