Unlike Vinyl, Guardhouse Shield Polypropylene are 100% archival. Thinner, stronger and less susceptible to tearing and stretching. 3 Pocket Guardhouse Archival pages can hold and protect 8 x 3 1/2 photographs, sport cards, gaming cards, currency... At a fraction of the price! Guardhouse Shield#: 13964032048. Size: 8x3.5 Pocket. Sold in Packs of 10.