Thank you, it seems to be good quality product, as always , but did not checked yet. The product was very well packaged. Seller insert 4 metal clips as a gift. I recommend this seller.
The Spring steel sheet does was it is supposed to do. It's great for PLA and PETG and the coating didn't come off yet, dispite the fact that i amost printed 5 KG of PETG on it over the last Weeks