Rainbow gradient high-quality nylon rope material， durable， easy to clean.

Reference: Bandwidth: size of about 0.8 cm

Bust: can bring about 26 -- 36 cm

The traction belt: the total length of about 1.2 meters

[remind]

Because it is a rainbow gradient color each collar are different colors， eachcolor of defilements is a normal phenomenon， the rainbow gradient colorrandom delivery!

Dimensions are my one measured， due to different measuring tape， thefabrics of different. Error in the positive and negative 0-3 cm， pleaseconsider all factors after specifications size selection!

Attached: PET measurement method

Neck: the neck around a week， may be appropriate to relax the 1-2 cm