3M 2030U, Square, Blue, Green, Pink, Yellow, 2.99" (76 mm), 2.99" (76 mm), 450 sheets 3M 2030U. Form factor: Square, Product color: Blue, Green, Pink, Yellow. Width: 2.99" (76 mm), Depth: 2.99" (76 mm). Number of sheets per pad: 450 sheets