Type: Robot Anticollision Magnetic Tape, Product size (Lx Wx H): 200x 2.5x 0.21cm, Package weight: 399g.
You can create price alert here, copy coupons and view price 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 coupon and price update (UTC):
Banggood
Banggood warehouse is located in Europe 
. This is new product in my database, so I don’t know if this price is good.
Link: Banggood product page
1. ($9.56): BGHOMEA13
2. ($9.89): BGTT10
3. ($9.89): bGhOnEy10
4. ($10.22): BGAFF7OFF
5. ($10.22): BGHOMEAPP13
apply it in your cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): BGBFCR02, BGBFAFF2019, BGCITYADS2019, aff7off, 2020CNY, BGVDay10%off, BGHOMEAPP, BGSS10%SW, BGXMRVC, BGHOMEAPP12, BGHome15%, 13f142, BG10OFFAFF, BGwhielabel, BG10OFFAFF1, BANGGOODSD, 00c906, BG00c906, ADMITAD2212, Terence, Tabby20, 2203ActiesNL, BG1efeb0, 8Couponsde, MVC8SPRING
(I don’t think these’re gonna work, but you can try ’em out anyway)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. China – 2m Mi Robot Vacuum Invisible Wall Tape ($-3)
Price history and price alert
It doesn’t make sense to generate price history chart, because there is one price record which is: $8.99.
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)).