Breast Cancer Awareness Sticky Notes (12 Pack) 3 1/2" x 4". Paper. Breast Cancer Awareness Sticky Notes. Keep track of important reminders and support awareness with these 4" pink ribbon memo pads! Give these thoughtful desk notepads to all your girlfriends and female co-workers at the office. Includes 35 sheets per pad. 3 1/2" x 4" 1 Dozen