Size 2 Green Neoprene Rubber Stoppers are Tapered Rubber Stoppers that will plug bottles, lab vials and other openings. Manufactured from Neoprene Rubber. Neoprene Rubber is suitable to a temperature of 275 degrees F and suitable for use with petroleum products, minerals, oils and fats.
Item came quickly and as ordered. Have ordered since and am expecting excellent service this time as eell