Go down and check coupons out. Remember to check price history if it is available. Do you want to know what the best price is?
Size: 180x 230mm, Thickness: 6mm, Weight: 75g
Aliexpress
There’re some similar (or not) items on Aliexpress
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. ($9.55): BGGAL8
2. ($9.55): BGRCParts8
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/5cd
Old coupons (from the oldest to the newest): Parts8, BG9NY, 2020CNY, BGVDay10%off, BGOTC21, bGhOnEy10, BGTT10, BGSS10%SW, BGRCBC7, BGAFF10OFF, BgoFErTaSchInA10, BgcLuBofErtA10, BGBCSpring1, BGDAVIS, BGHONEY2110, BGRCBC11, BGSFBC1, Tabby20
(these codes were not working in latest coupon update, but you can check them out anyway)
Price history and price alert
Do you need price history chart (for all/most countries) for Lipo-Battery Explosion-Proof Bag? There we go.
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)).