Cover the birdcage with a semi-dark blue cloth. Sticking green technology is to peel off the smooth skin of bamboo and stick it on the unsmooth side. Semi-green is to cover the birdcage with a layer of semi-dark blue cloth to make the birdcage smoother and more delicate. The bamboo-green cage is painted evenly and transparently, and the inside and outside are rosy, which is very beautiful.