Material: Chemical fiber Strong water absorption Dimension: Small 40 cm x 60 cm / 15.7" x 23.6"Medium 50 cm x 80 cm / 19.7" x 31.5"Large 60 cm x 90 cm / 23.6" x 35.5"Just Relax: 50 cm x 120 cm / 19.7" x 47.2"