$HSN$4804$$ Opaque White 220Gsm Card stock is a bright white #1 opaque that offers rich color reproduction, superior image quality and excellent opacity without the cost of a premium paper. Its dependable performance ensures a trouble-free run so you can focus on creating a superior printed piece. 50 sheets per pack. Basic Opaque Paper-Papers - WHITE CARD STOCK Basic Opaque Paper, Card Stock and Envelopes are a great, cost-effective solution for everyday projects. Perfect choice for social and business projects from small to large.