Features:
High flexibility and resiliency without stiffness.
Excellent stretch and will not take a set.
The low profile design fits under bracket tie wings， and will not irritate the gingiva.
Made with latex-free medical grade polyurethane.

Specifications:
Materail: Rubber
Model: Short
Quantity: 1pcs
Length: 4.5m
Weight: 14g / 0.47oz

Package list:
1 * Ultra Chain