I think it is a pretty safe bet.
289: On Saturday, August 20 (2016), the “Can Badge Collection – Kanto Edition –”, featuring Pokémon and characters that appear in the Kanto region — the setting of Pokémon Red & Green and Pokémon FireRed & LeafGreen — will arrive at Pokémon Center stores!
There are 17 different badges, and you’ll receive one at random!
Additionally, the “Collection Holder Pikachu”, which neatly stores the badges you collect, will be released at the same time. Enjoy collecting and displaying your favourite badges!
300: T’s Factory PM-5533574PU Flat Multi Pouch Colors Pokemon Purple
Date First Available: January 18, 2021 (according to amazon)
You can see adjacent products advertised with similar designs via web archive,
280-281: The product was was licensed by Shogakukan Production (ShoPro), planned with IVAN Planning, and officially released/distributed by Media Factory. It was released in 1998 and can be seen being advertised for christmas of that year in the corocoro issue dated jan 1999.
297: ECPM273 [Cotton Bag Pokedex]
Sales Start Date: 2015/07/10