Durable Nylon Material : Heavy-Duty Nylon Webbing Ensures Durability And Comfort For Your Dog, Even On The Longest Adventures. Waterproof & Rust-Proof : Water-Repellent, Rust-Proof Components Make This Collar Ideal For All Weather Conditions, Ensuring Uninterrupted Fun And Adventure. Lifetime Satisfaction Guarantee : Rest Assured With Our 100% Lifetime Guarantee. If You Encounter Any Issues, We'Ll Promptly Resolve Them Within 24 Hours. High Visibility : Illuminate Your Dog With Three Vivid Led Flashing Modes — Fast, Slow, And Constant — Ensuring Maximum Visibility And Safety During Nighttime Walks. Customized Fit : Each Collar Size Features An Adjustable Buckle, Ensuring A Tailored Fit For Your Dog'S Comfort And Safety. Nature calls, and your dog answers. Whether it's a splash in the river or a dash through the rain, our Durable Nylon Material Dog Collar stands as your faithful companion. Waterproof and rust-proof, it's designed to withstand nature's tests while keeping your four-legged friend safe and seen.