M-PETS Pixie Cat Eco Collar Purple & Teal (Pack of 5) The M-PETS Pixie Eco Cat Collar combines sophistication and sustainability. This stylish cat collar made from 100% recycled plastic bottles with strength of 4-12lbs. M-PETS Eco range helps protect the environment by using fiber from repurposed plastic bottles. Dimensions: 0.6 cm x 30 cm