Aliexpress
Click here… to search for Xiaomi 90Fun 20Inch Travel Suitcase on Aliexpress
Here are coupons that you can use.
Other warehouses/versions
This item is available in 2 another warehouse/versions!
1. China – Xiaomi 90Fun 24Inch Travel Suitcase (-3 USD)
2. China – Xiaomi 90Fun 28Inch Travel Suitcase (-3 USD)
Latest coupon code price check (UTC time):
Banggood
Banggood warehouse is located in China. There is one coupon available! Pretty cool, huh?
Link: Banggood product page
Coupon (150.65 USD): bGhOnEy10
(CouponsFromChina.com tip: apply code in your basket (cart) after clicking “Proceed to checkout”. Click to copy code and open shop)
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Old coupons (from the oldest to the newest): BGsuitcase1, TTxBG10, BGXM8, BGOD1, AFfbG10, affbg10, BGTSA16, BGC36483, BGtravel305, BGDQ15, 502C6B, BGSD13, BGTS785, BGTS204, BGdragonBoat, BGTRIP01, bgshOOp10
(sometimes old coupons work, so you can check them out (this site checks them on every price update))
Other warehouses/versions
This item is available in 2 another warehouse/versions!
1. China – Xiaomi 90Fun 24Inch Travel Suitcase (-3 USD)
2. China – Xiaomi 90Fun 28Inch Travel Suitcase (-3 USD)
Price history and price alert
Price history (for all/most countries) for Xiaomi 90Fun 20Inch Travel Suitcase is here.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).