One Way Valve for Coffee Bean

1. Material:100% new PE
2. Outside diameter: 20mm
3. Inside diameter: 17mm
4. Thickness: 6mm

Features:
1. It is made of 100% new PE raw material.
2. Fit for coffee bags.
3. Keep the coffee fresh.
4. Good for coffee bean.

Packaging:
10,000 pieces in a transparent plastic bag, one bag in a five layer carton.
Carton size: 40x27x27.5cm
G.W.:10.5kg/carton
N.W.:10.0kg/carton

We are professional in coffee bag one way degassing valves for nearly 8 years, covering high quality degassing valve and high quality service. 
Our Advantages: Fast-growing, Fast-supply, Fast-reaction & Best-quality, Best-price, Best-service!