Color Changing Heat Reactive A5 Journal Notebook

Designed to make a dynamic tactile impression, this thermo-sensitive color-changing A5 hardcover notebook measures standard A5 size and features a durable 2mm greyboard core wrapped in heat-reactive PU leather. The outer cover shifts color upon touch or heat contact, offering an interactive, engaging user experience. Inside, it holds 96 sheets (192 pages) of premium 80gsm offset paper, providing a smooth, bleed-resistant surface for fountain pens, gel ink, and daily note-taking. Its unique thermochromic design makes it a high-impact, memorable promotional gift for corporate conventions, brand launches, creative agencies, and educational campaigns.