These products are frequently available from specialty craft sellers on Etsy, such as Scrapbooker Paradise . 8x8 Scrapbook Paper Pack | 12 Double Sided Sheets - eBay
Here are the specific, available options for the "Between Worlds" paper collection: Between Worlds
6x12 inch sets designed specifically for fussy cutting, often containing 8 double-sided sheets, 250gsm, wood-free, and acid-free. These products are frequently available from specialty craft
Contains 6 double-sided sheets, often including decorative elements for cutting on the cover. often containing 8 double-sided sheets
Features 12 double-sided sheets (2x6), sometimes listed at a slightly lighter 190 gsm weight. 6x6 Inch Paper Pack: A smaller, 24-sheet pack (4x6).