C3yoyodesign's own silicone response system. The standard white medium pad is common in most of their models, and also fits all other yo-yos that take 19 mm pads. We also have the softer purple pads in medium, as well as their large pads for some of their older models. Model size break down is provided below.
One Drop's very own silicone response pad - 2 per pack. Original : For use in all One Drop YoYos made after the M1 – and some M1s 19mm : Compatible with K-Pad, Slimpad, 19mm Pad, Duncan Large SG pad .555 : For older OneDrop models (Project, Markmont Project, and some M1s)