Weight 635g, Laptop 15.6inch, Closure type Zipper, Brand 90FUN, Material Polyester, Color Black / grey, Size 315x 140x 440mm / 12.40x 5.51x 17.32inch, Waterproof 4 water repellent.
Just check coupons out (with price alert and history). 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:
Click here to search by yourself. Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
1. ($33.99): BG2bb7a1
2. ($36.79): tRaDetRaCKeR
3. ($37.19): 2203ActiesNL
4. ($37.59): BG00c906
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): BG10OFFAFF1, BGAlerabatod, 00c906, BGe46870, BG7280ff, Tabby20, 8Couponsde, BG36e006, MVC8SPRING, 8BGwbg2204
(there’s a little possibility that old coupon will work)
Price history and price alert
Check out price history chart (for all/most countries) for 90FUN Backpack 15.6inch Laptop Bag IPX4. The lowest price was: $24.99.
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)).