Dental Cotton Rolls
True US-standard #2 sizing — 9.5 mm diameter, not the rounded-up 10 mm import default — in 100% long-fiber cotton that stays lint-free around bonding agents and composite resins.
Not sure which spec you need?
USP Purified Cotton vs. 'medical grade' marketing, why dental cotton roll diameter matters, and how to read a cotton spec before you buy.