Starry Sky Oversized Non-slip Thickened Mouse Pad RGB (Banggood, Aliexpress: 14 kinds of lighting effects, Material: Rubber + Cloth, Name: LED Mouse pad, Color: Black & Blue (the best price with coupon)).
Price history, coupons and price alert are available on this page. What is best price?
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China. Coupons for Starry Sky Oversized Non-slip Thickened Mouse Pad RGB? Nope, there’re no coupons in Banggood.
Link: Banggood product page
Price: $-3
It looks like this item is out of stock in Banggood. If you found it then please send me the link. I will replace it.
Click here to search on Banggood!
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BGff5312, BG975636, BG589b2e
(these coupons are old, so probably won’t work)
Price history and price alert
Here is price history (for all/most countries) for Starry Sky Oversized Non-slip Thickened Mouse Pad RGB. The lowest price was: $8.99.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood and Aliexpress (only if product name will be the same as on Banggood and I will post it on social media though, so it’s more like Banggood price alert)).