Soft microfiber outer mitil. 100% siliconized air fiber inner filling (hollow fiber). fiber detail sasa dacron optical white hcs fiber 1. quality edges are piping. does not turn yellow or felt. to prevent, the quilt mitil is supported with interlining. it can be washed and vacuumed. square patterned. Improved version for clearer understanding and better search visibility. Suitable for users seeking detailed and reliable product information.