Sheets — Buy Thick Cardboard

Where you buy depends on the scale of your project and whether you need custom sizes or bulk savings.

Cardboard is one of the most sustainable materials available, with nearly recovered for recycling in the U.S.. When buying, prioritize: buy thick cardboard sheets

: A dense, non-corrugated material often used in bookbinding and scrapbooking. It is measured in "points" (pt) or grams per square meter (gsm). A 1000gsm sheet (~1.5mm thick) is extremely sturdy and resistant to bending. 2. Key Buying Specifications Where you buy depends on the scale of

: Indicates how much pressure the sheet can withstand before puncturing. It is measured in "points" (pt) or grams

: The most popular choice for standard shipping boxes due to its cushioning properties.

: Characterized by a "fluted" zigzag layer between flat liners, this is the standard for shipping and structural models. The thickness is determined by "flute" size.

To ensure the cardboard meets your needs, look for these industry-standard ratings: