DescriptionIt not only relieves physical pain, but also warms your skin. Detachable design, which is convenient and easy for cleaning. It is removable and washable. thus it can be used many times. The length is longer than traditional one, the heated area is larger. This long strip hot water bag can warm your body in the cold winter. Smooth with better warmth retention effect, and effectively avoid burns.Features-Color: Assorted color.-Material: Wool and rubber. -Size: About 53.00X9.50X2.00cm /20.83X3.73X0.79inch. -It not only relieves physical pain, but also warms your skin. -Detachable design, which is convenient and easy for cleaning. -It is removable and washable. thus it can be used many times. -The length is longer than traditional one, the heated area is larger.-This long strip hot water bag can warm your body in the cold winter. -Smooth with better warmth retention effect, and effectively avoid burns.