Medium-Heavy Duty: Chipboard with .046 inches caliper; 610 gsm for stability Creative Projects: Ideal for frames, displays, and custom containers Neutral Tone: Light brown surface complements various creative uses Multi-Purpose Use: Perfect for protecting prints and backing photos Environmentally Friendly: Crafted from 100% recycled clean fibers Chipboard .046 (46 Point) is a medium weight option, offering durability and versatility with a caliper of .046 inches (1.17mm) and a weight of 610 gsm. Equivalent to 11.5 sheets of 20# paper, it is perfect for projects requiring a more substantial base. The light brown surface is ideal for creating custom boxes, sturdy backings, and unique DIY projects.