Fits Skinny Classic Size (4.125"x9.25"), 9-Disc Planners. You will receive 25 two-sided and pre-punched Refill Pages (25 Sheets, 50 Pages) All inserts are printed on 32 lb high-quality silky premium paper. You will delight in writing or drawing with your favorite markers, pens, and pencils freely without the fear of ink bleeding through to the next page. Please note: Binder, file, discs, and plastic dividers are used for illustration purposes. They are NOT INCLUDED One-Year Supply: Stay organized all year with our undated Monthly Calendar Refills. This set includes 25 double-sided, pre-punched sheets (50 pages total), designed for seamless integration with your disc-bound planner. Planner, discs, and tabs are not included. Premium Quality: Crafted from 32 lb high-quality silky premium paper, our inserts provide a smooth writing experience. Use your favorite markers, pens, and pencils without worrying about ink bleeding through. These pages are perfect for stickers, washi tapes, and all types of embellishments, allowing you to personalize your planner effortlessly. Easy to Use & Compatible: Easily add or remove these inserts as needed. Designed to fit disc-bound systems such as The Happy Planner, TUL by Office Depot, Circa Letter, Arc by Staples, and more. Be sure to select the correct planner size before ordering. Choose Your Favorite Design: We offer a variety of stylish themes to match your personality. Choose from CAT, DOG, FISH, SHELL, FLORAL, or LOVE designs. Planner Sold Separately: Please note that the binder, file, discs, and plastic dividers shown in images are for illustration purposes only and are not included. More Planner Inserts Available: Looking for more? Check out our shop for inserts like budget, travel, fitness, daily planners, and additional sizes.