Bristle: nylon 610, DuPont Tynex, or at your options for soft, medium and hard degrees.
Bristles diamter: Soft: 0.15 - 0.18mm; Medium: 0.20 - 0.22mm.
Handle: PP(polypropylene), PS(polystyrene) and soft TPE(thermoplastic elastomer) or TPR(thermoplastic rubber) material with soft rubber injection in four colours available giving you anti-slip thumb grip and easy maneuverability.
Packaging: 1 piece per blister card, 12 pieces per box, 288 pieces(24 dozens)

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