Aliexpress
Here are coupons that you can use.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
Coupon (68.81 USD): tRaDetRaCKeR
Coupon (68.81 USD): 8wEbgaInS5
Coupon (69.55 USD): 2203ActiesNL
(CouponsFromChina.com tip: this code has to be applied 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): BGAFF10OFF, BGCuponation10, 13f142, BANGGOODSD, 00c906, BGef96eb, Kortings10, 2022ACTIESNL, Terence, Tabby20, BG1efeb0, 8Couponsde, MVC8SPRING, 8BGwbg2204
(you can check these old coupons out, but these probably won’t work)
Price history and price alert
Price history (for all/most countries) for 18 Inch Laptop Bag USB Charging is here.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).