Cotton Silk is a combination of two widely used fabrics – Cotton and Silk. ... Belonging to no single tradition, this hybrid fabric has been accepted widely across the world. It is definitely a cheaper version of Silk but, a more popular fabric than pure Silk itself. Silk obtained from silkworm and cotton obtained from cotton plants combine together to form the cotton silk fabric. Silk cotton fabric is a blend of both fibres, combining positive characteristics of each into a single textile. Cotton silk clothes are lightweight, silky and have a comfortable weave. the silky covering of the seeds of certain tropical trees of the bombax family, used for stuffing cushions, pillows, etc. It is lightweight, absorbent and soft, though not as smooth as silk. ... The elasticity and feel of the fabric depends largely on the percentages used of each. Cotton blends come in all types of clothing, furniture coverings and linens.