This package contains 10 sheets of Cool Metallic 290gsm or 107lb, heavyweight premium cardstock from Penguin Palace. This paper measures 8.5" x 11". It is acid free and elemental chlorine free. This paper is Forest Stewardship Council Certified. This paper is a shimmery silver cardstock with a long grain texture which is great for scrapbooking and is super sturdy and double-sided, great for scrapbooking. It can hold liquid adhesive, embellishments, and even some light mixed media elements. This is also the best thickness for intricate, detailed thin metal dies. You are going to fall in love with the quality and color of this paper!