Black metal triangle ring attachment point

These collars include a bungee loop to allow for expansion during heavy breathing or barking

Adjustable hook and loop closure

For comparison

Available in 7 fun colors and in a variety of lengths

3/8" All Weather Biothane Long Line Color:Black Beta Black metal triangle ring attachmentMade from 3 8" BioThane Beta 520 Available with brass or stainless steel clasp Completely waterproof Available in 4 colors. [split] RedLine K 9 All Weather Long Lines are made with Super Heavy 520 Biothane and do not absorb water or rot. With a break strength of 375 pounds, Biothane is the gold standard for all weather long lines. Offered in 4 colors and finished with a solid brass or stainless steel clasp. Available with or without a handle.