Here is a whole list of positive changes:

For extra support

and select herbs to help maintain a healthy intestinal tract

The waterproof interior is made of PEVA to make it durable

Rust-resistant hardware

Zee.Dog Collar | Glitch Error #500 The Dog Grocer Here is a whole listMade of durable polyester, Zee Dog collars are soft and comfortable on your dog's fur. The unique collars are fully adjustable and come with a buckle built with a 4 point lock system for added safety. Made of soft and resistant Teteron polyester Fully adjustable Gentle on your dogs fur Buckle built with a 4 point lock system for added safety Crisp and bright colours Rubber logo protects stitches for extended durability Size guide Size Circumference