SPECIFICATIONS

Balls: Yellow&Green / Yellow&Green&Red / Yellow&Green&Red&Black (optonal)
Material: Silicone + PU Foam
Headband circumference: 53 - 58 cm / 20.9 - 22.8 in
Black PU balls diameter(20g): 6.3 cm / 2.4 in 
Yellow PU ball diameter(20g): 6.3 cm / 2.4 in
Red PU ball diameter(30g): 6.3 cm / 2.4 in
Green PU ball diameter(30g): 6.3 cm / 2.4 in
Package weight: Approx. 130 - 200 g /  4.6 - 7.1 oz

Package List:
1* Headband
1* Yellow Ball
1* Green Ball
1* Storage Pouch
1* Instruction
2* Replacement Strings (color by random)
1* Cord Stopper