Ruled: 7 mm Luxury Tomoe River Paper: Write effortlessly on 68 gsm paper that guarantees no bleed-through or feathering, making every writing session a pleasure. Acid-free to preserve your creations. Refillable design: As a refill for the LOCHBY Pocket Journal, it promises endless space for your thoughts, making it more than a notebook - a tool for continuous inspiration. Compact & convenient: At 3.5 x 5.5 inches and 72 pages, it's the perfect companion for on-the-go insights, easily fitting into any bag.