Stretcher Bars:Paulownia,pine,fir wood Size:20*20,18*24,25*25,20*30,30*40,40*50cm Thickness:1.6*2.5,1.6*3.0,1.6*3.6,1.8*3.8cm stretched bars (paulownia woood) 1.made in Lankao County, Kaifeng City, Henan, China. 2.native special high quality paulownia wood 3.use: making stretched canvas frame 4.size:1.1*1.1/1.6*1.6/1.6*2.5/1.6*3.5/2.5*3.5cm, or customized 5. color: natural, also can according to ...