No, jute silk is not silk and the material is not from animals. Instead, it mainly comes from the white jute plant which can be grown in different climates. Also, there is a Tossa jute plant which would be the better of the two plants for the fabric. However, this second plant is more difficult to grow. When it comes to producing this material, jute is the second most fiber produced from the plant on this planet. Just behind the cotton.