Futsal: With outer material of Korean Duxon Shine, 3 polyester
linings and butyl bladder. White cotton filling for low bounce, great
for indoor seven-a-side soccer.
Indoor: Size 5 with outer material of Japanese Cordley Felt
Yellow and polyester linings, latex balance bladder and butyl valve.
Weight is 410-430g. Cotton filled for low bounce and ideal for
gym use, with hard surfaces.