Xiaomi CIRCLE JOY Wine Decanter (Banggood, Aliexpress: Weight 100g, Size 24x 115 cm, Material 304 Stainless Steel + Food-grade Silicone, Color Black + Transparent (the best price with coupon)).
Just check coupons out (with price alert and history). Let’s see what best price is ATM.
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Latest coupon code price check (UTC time):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
1. ($11.62): AFfbG10
2. ($11.62): BGBFAFF2019
3. ($11.62): BGCITYADS2019
coupon code has to be applied in shop’s cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): CJ20, 445d1b, CODE1573, b7d250, vipupgrade8, d8f2bb, 7c77a4, cef3f8, TTxBG10, BG688cse, bgssaff9, BG65CJ
(there’s a little possibility that old coupon will work)
Price history and price alert
Do you need price history chart (for all/most countries) for Xiaomi CIRCLE JOY Wine Decanter? There we go. The lowest price was: $6.55.
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)).