Post-it Super Sticky Notes, 2x Sticking Power, 4 in x 6 in, White with Blue Grid, 2 Pads/Pack, 50 Sheets/Pad (4621-2SSGRID) 4 x 6-Inches, White with Blue Grid Lines Holds stronger and longer, yet removes cleanly Blue grid lined notes are great for techies, teachers and students Great for sketches or to keep to-do lists organized 2-Pads/Pack