Product Description
1.Made of rubber,lightweight and durable.
2.It is resistant to high temperature,washable,reusable and will not out of shape.
3.Great for liquid culture jars,hydroponic mushroom bag,etc.
Product Specifications:
Material:Rubber.
Color:Grey.
Dimension:
Head Diameter:13mm/0.51''.
Fit For:7mm/0.28'' hole.
Total Weight:110g/3.88oz.
Package Content:200Pcs Rubber Stoppers.