Ars calculates the size of the DualShock 4 touchpad: about 2.1” x 1”

A little image wrangling (and math) generates a general sizing estimate.

Best Buy: Microsoft Surface Pro 8 – 13” Touch Screen – Intel Evo Platform Core i5 – 8GB Memory – 512GB SSD – Device Only Platinum EBP-00001

math Ars Technica

DualShock - Wikipedia

Went to Super! Bitcon in OKC this weekend and the Sony Rep was giving these away. : r/vita

Size comparison of the new PS4 controller. : r/gaming

DualShock 4 CHU-ZCT2U Touchpad Replacement - iFixit Repair Guide

BURTS BEES BEESWAX LIP BALM 4.25G, burts bees lip balm

February, 2013

PlayStation Controller Dimensions & Drawings

Always Pure Cotton, Feminine Pads for Women, Size 4 Overnight Absorbency, Multipack, with Flexfoam, with Wings, Unscented, 20 Count x 3 Packs (60 Count total) : : Health & Personal Care

Always Maxi Overnight Pads without Wings, Size 4, Overnight, Unscented, 28 Pads

3M™ Tegaderm™ +Pad Film Dressing, 3584, 2-3/8 in x 4 in, Pad Size 1 in x 2-3/8 in, 50 Each/Carton, 4 Carton/Case

Always Infinity FlexFoam Pads for Women Size 4 Overnight Absorbency, Up to 12 hours Zero Leaks, Zero Feel Protection, with Wings Unscented, 38 Count

Pad Paper (Mica) Quiz Pad 1/4 size 100 mm x 125 mm 80 leaves 60