Shoulder strap range: 50-80, Fabric: Polyester 100%, Lining: 100% polyester fiber.
Basically copy coupon, view price history or create e-mail price alert. Do you want to know what the best price is?
Aliexpress
There’re some similar (or not) items on Aliexpress
You can use link bot to get even lower price:
| Image | Product (link) | Price | Coupons |
|---|---|---|---|
 |
Xiaomi Youpin 90FUN Outdoor Leisure Backpacks Featuring A Unique Design Breathability and Durability Ideal for Travel Sports | $55.70 | – |
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.
Link: Banggood product page
1. ($30.05): BGOL786
2. ($31.81): AFfbG10
3. ($32.88): aff7off
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 and https://couponsfromchina.com/short/i1u
Old coupons (from the oldest to the newest): 502C6B, e2bcea, TTxBG10, BGOD1, BGBFAFF2019, BGCITYADS2019
(these coupons are old, so probably won’t work)
Price history and price alert
Check out price history chart (for all/most countries) for Xiaomi Youpin 90 FUN Portable Backpack Black. The lowest price was: $24.95.
Price records source(s): Gearbest, 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)).