Dallas Bonsai Garden's Drainage Mesh/Hole Screens Go to amazon.com Related posts Top drainage matting roll FeatureFujiyama plastic drainage mesh for bonsaiThis material is flexible, but rigid enough that it won't sagNow sold in a 40" by 6" rollMade in Japan DescriptionDallas Bonsai garden's plastic drainage mesh. 5 sheets per package. Each sheet is 6 x 8". Allows you to cut it to whatever dimensions you prefer.