The specimen collection cards from CHM® are designed for micro-volume sampling, transport and ambient storage of biological samples, including blood. These cards are made of white and pure absorbent fibers and contain no wet-strength additives or chemicals. The paper is customized by the requirements of the healthcare professionals to standardize sample obtained from multiple sources. All the special designs, printing, etc... are tailor-made for each customer to fulfil all necessary specifications and components for efficient sample collection. They can be CE marked in EU as ‘sample vessel’ and comply with the Directive 98/79/EC, IVD Device for HIV-1 testing.