6 lamp size: length 16cm × width 2cm × thickness of 1.5cm

8 lamp size: length 20cm × width 2cm × thickness of 1.5cm
9 Lamp size: length 22cm × width 2cm × thickness 1.5cm
10 lamp size: length 24cm × width 2cm × thickness of 1.5cm
12 lamp size: length 28cm × width 2cm × thickness of 1.5cm
14 lamp size: length 32cm × width 2cm × thickness of 1.5cm
16 lamp size: length 36cm × width 2cm × thickness of 1.5cm
18 lamp size: length 40cm × width 2cm × thickness of 1.5cm
20 lamp size: length 44cm × width 2cm × thickness of 1.5cm