The sealers are "low tack." They are designed not to pull off anything they are stuck to if you peel them up slowly. To me they're same as the "snot glue" that's used to stick things to magazines, or credit cards to a letter. I rub them off and ditch them.
I received the 4k (with poster and button) and watched it on Christmas eve. Damn amazing restoration, and Scott McQueen's mini-doc on the restoration with the before and after shots earn even greater appreciation for the amazing job he and his crew did. It's strikingly beautiful. Staggering...