Inner diameter:74mm, outside diameter:81mm. If the inner diameter is bigger than the mug's diameter, it will be bounce after you cover it on the mug. You can use a knife to cut it down to reduce the inner diameter, then the problem could be solve.
Our Company
Payment
Generally,we accept the following payment methods:credit card; T/T; western union; And our protection only gives the payment ways acceped by Aliexpress platform.
Shipment
1.We will sent the items within 2-5 days(working days, not holiday seasons) after the payment being confirmed by the platform.
2.The shipment by China Post Registered Air Mail for less than 2kg goods in 15-25 working days. If you need the item urgently, please contact us for express shipping.We will calulate the express shipping cost for you.
3.When you receive the items you ordered,in 24 hours, please check it carefully. Please contact us directly if you have any problems.
4.If you have not got it within the shipping time,please contact us without hesitation. We will check it for you with the post office and customs.
5.If you have warehouse or forwarder in Guangzhou,we can deliver the items to the warehouse for free.