iemm specifications frame/ stretch: unframed, unstretched, only print material: bright white canvas to ensure colour reproduction and longevity size 1:20x40cmx2pcs 20x55cmx2pcs size 2:30x60cmx2pcs 30x80cmx2pcs material:canvas frame:no frame,no stretch note:according to the product picture to choose the product,thank you for your understanding