[Brand] Hong Kong Siu Matheson (NMC) 

【Ingredients】 medical antibacterial rubber + electronic parts 

[Specification] a / box; effective length of 17.0cm， diameter 4.8-5.1cm (circumference 12-16 cm between the top of about four centimeters in diameter， in the middle of about 4.4 cm， the bottom is about 5.1 cm) 

[Color] purple / pink， multicolor random shipments