Suitcase lining material Polyester, Capacity 33L, Pull rod 4-speed adjustment, One side U shape, Interior, Net weight 3.4kg, Size 54.5x 39x 21.5cm, One side zipper, Suitcase surface material Polycarbonate, Brand 90Fun.
Basically copy coupon, view price history or create e-mail price alert. You probably want to know what is the best price?
Aliexpress
There’re some similar (or not) items on Aliexpress
You can use link bot to get even lower price:
Click here to search by yourself. Here are coupons that you can use.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in China. I found coupon for you. Check this out.
Link: Banggood product page
1. ($150.65): bGhOnEy10
just apply this code in your cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/i1u
Old coupons (from the oldest to the newest): BGsuitcase1, TTxBG10, BGXM8, BGOD1, AFfbG10, affbg10, BGTSA16, BGC36483, BGtravel305, BGDQ15, 502C6B, BGSD13, BGTS785, BGTS204, BGdragonBoat, BGTRIP01, bgshOOp10
(you can check these old coupons out, but these probably won’t work)
Other warehouses/versions
This item is available in 2 another warehouse/versions!
1. China – Xiaomi 90Fun 24Inch Travel Suitcase ($-3)
2. China – Xiaomi 90Fun 28Inch Travel Suitcase ($-3)
Price history and price alert
Price history (for all/most countries) for Xiaomi 90Fun 20Inch Travel Suitcase is here. The lowest price was: $99.99.
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)).