White Silicone Rubber Stopper Plug Cap for Flask, Test Tube, Bottle 48-53mm

Description:

Made of high quality silicone, non-toxic and odorless
The surface is very smooth
Don't react with anything except strong alkali and hydrofluoric acid, don't dissolve in water or any solvent
Suitable for flasks, test tube, bottles of inside diameter 48-53mm
High quality, durable

Specification:

Material: Silicone
Size:
- Top Diameter: Approx.53mm/2.09 inch
- Bottom Diameter: Approx.48mm/1.89 inch
- Hight: Approx.51mm/2.01 inch
Suitable for bottles of inside diameter: 48-53mm
Color: White

Package Includes:

1 Piece Silicone Stopper