With over 54 years of experience, Alvin is one of the primary sources for drafting supplies and drawing equipment in the country. Together with this core group of products, we continue to meet the needs our customers with our expanding range of fine art, hobby and craft supplies, our large selection of drawing room furniture, and our wide assortment of exclusively-designed products. Avoid government penalties and fines up to $10 000 by posting federal labor law posters. Posters contain all required notices. Free Update Notification Service offered. Laminated. Federal poster is 24 W x 30 H. Poster Type: Labor Law. Preprinted: Federal 5-in-1 Labor Law. Theme: Federal Labor Law.