Aliexpress
Here are coupons that you can use.
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. China – Xiaomi 15L Backpack (-3 USD)
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in Europe 
. I don’t want to misguide you about the price. I don’t know if it’s good, because I don’t have enough records in my database… You can get coupon down below.
Link: Banggood product page
Coupon (18.99 USD): 13f142
(CouponsFromChina.com tip: 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
Old coupons (from the oldest to the newest): BG412YU, bGhOnEy10, BGAFF10OFF, BGdragonBoat, BGCAMP01, BGSDJKJ5, aa6f59, bgshOOp10, BgoFErTaSchInA10, BGXMBAGG2, BGSHHA, BgcLuBofErtA10, BGZPBC15, BGTY704CP, BGCuponation10, BG10OFFAFF, BGwhielabel
(you can check these old coupons out, but these probably won’t work)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. China – Xiaomi 15L Backpack (-3 USD)
Price history and price alert
There is only one database record (it was for 9.99 USD), so you can’t see price history chart.
You can set price alert (for Banggood).