double wall glass beer tumbler ,insulated glass starbucks coffee cup ,glass bareware, Double Wall Quality Choice

1. How to contact with us? 

Answer(1): send us an inquiry/email as below. 

Answer(2): trade manger online chat.

2. Can you seed a sample for reference? 

We are glad to send samples for your inspection. We will charge a suitable sample fee, and it will be refundable when order is up to certain quantity.

3. How to confirm the quality with us before start to produce? 

(1) We make the quality according to what you have confirmed of the sample.
(2) Send us your samples, and we make the fabric according to your quality. 

4. How to solve the quality problems after sales? 

(1) Take photos of the problems and send to us 

(2) Send back the physical problem fabrics by express to us 

After we comfirm the problems, such as caused by machine, dyeing, etc, Within seven days, we will draw up the satisfied program for you.

  Features:
Made from durable mouth-blown borosilicate glass.
Double-walled design insulates drinks.
Silicone valve at base allows for changes in pressure
Microwave safe.
Dishwasher safe.