Cotton ball, fit for narrow vial, Pure absorbent cotton plug, 300 pieces/bag, 10 bags/case,3000/Case

Feature:

• Degreasing Cotton: The size is controllable, easy to use and operate, not easy to be infested with insects and mildew, and the high density can prevent mites from entering. It is recommended for single use
• It can be used individually, or can be made into vial plugs of different sizes according to needs.
• The size is controllable, easy to use and operate, not prone to insects and mildew, and high density can prevent mites from entering.

• It is recommended for one-time use.