I don't know where or when I bought it, but I've had it for a very long time. Please purchase only if you understand that the adhesive strength and other properties are unknown. Immediate purchase is OK. Although it is new, please purchase only if you understand that it is a used item that has been in someone's possession. We do not accept returns or cancellations after purchase, so please comment with any questions before purchasing. ★Please purchase only if you understand all of the above★