(1)Foam Density: 40 kg/m3 (2)Clean with water. (3)Do not use with lacquer, shellac or active solvents (4)Content: 5pcs- 1/2" foam brush; 10pcs- 3/4" foam brush; 12pcs- 1" foam brush; 2pcs- 1-1/2" foam brush; 2pcs- 2" foam brush; 4pcs- mini foam brush; 4pcs- 5/16" foam stencil brush; 4pcs- 1/2" foam stencil brush; 4pcs- 3/4" foam stencil brush; 3pcs- 1" foam stencil brush.(5)Perfect quality, you can reuse again and again. Don't waste your money on a brush that you can only use for one time.