1-300 AOdull yellow/300AO dull yellow pad (300 AO on both sides); 1-600 AO brightyellow/800 AO green pad; 1-1500 AO peach/2400 AO lilac pad and 1-4000 AOblue/12000 AO grey pad. They are long-lasting, and easily conform toconvex or concave surfaces.