1)Standard: Europe standard CE, EN-1384
2)Features: Made of ABS, high density EPS, Rubber cover; Size adjustor
3)3 front ventilation channels + 4 back ventilation channels
Size: 52cm-61cm
Color: Many
Pakcing: Each with one quality black cloth bag+inner box, and then 9 PCS / carton
Carton size: 72*34*66 cm.