Our waterproof and odorless replacement straps are made of durable TPU material, can be used for a long time. If the collar is dirty, you can make it look like new by wiping it clean This is an alternative material for PVC/Nylon, coated with the new TPU. It retains its flexibility in cold weather of -30°C. Better than nylon: waterproof and easy to clean, softer and more comfortable, more durable. Better than PVC: odorless, 100% eco-friendly, oil and abrasion resistant. Easy perfect fit with 34 tightly spaced holes. Measure and cut to desired length. Refresh your pet fence collar - Keep your pets safe and stress-free.