When I was updating this page the price was $27.99 for 12Pcs 30x50cm 5mm Car Soundproof Mat Insulation (in Banggood). Check coupons or create price alert down below. Let’s see what best price is ATM.
Thickness: 5mm, Color: Black, Quantity: 12pcs, Size: 30cmx 50cm, Material: Rubber&Plastic
Latest coupon code price check (UTC time):
Banggood ($27.99)
Banggood warehouse is located in China. There is no active coupon in my database right now (for Banggood). I think you want to know if the price is good. Hmmm, price is higher than average (which is $23.99 right now), so better set price alert down below…
Link: Banggood product page
Price: $27.99
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BG7623c1, BGa3fecc, 8BGwbg2204, 2203ActiesNL, tRaDetRaCKeR, BGAUTO22, BGdcbfa8, BGARR9375, DealBGimpact, Cuponation9, 9OFFSUMMER, BGCL175, BGSCM75, BGSCM11, BGAMMT03
(there’s a little possibility that old coupon will work)
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Price history and price alert
Check out price history chart (for all/most countries) for 12Pcs 30x50cm 5mm Car Soundproof Mat Insulation.
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)).