Personalised Mastiff Collars – Built for Big Dogs with Bigger Hearts

Mastiffs are gentle giants – calm, loyal, and protective. But with their size and strength, they need gear that’s up to the task. Our personalised dog collars for Mastiffs are strong, secure, and made for everyday comfort. Embroidered with your dog’s name and your contact number, our collars mean no noisy tags and peace of mind on every walk or watchdog duty. Choose from 300+ colour combos to match your Mastiff’s dignified charm.

Custom embroidered collar for with name and phone number

Classic Embroidered Collar

Extra-wide for comfort and control. Made with thick spun polyester and secure stitching to suit heavy breeds. No tags to lose – just clean, bold embroidery. Most Mastiffs wear a Wide Large collar.

Get A Collar For Your Mastiff

Matching Collar & Lead Set

Keep it classy and strong. Reinforced lead clips and thick, padded webbing make walking your Mastiff safe and stylish. Choose your colours and walk with confidence.

Get A Set for Your Mastiff

All Barks Aussie-Made Treats

Reward your Mastiff with big-flavour, Aussie-made treats. Single-ingredient and packed with goodness – perfect for training or treating your gentle giant.

Get treats for your Mastiff

See more Mastiffs in style on Instagram @petcollars.au

📚 Did You Know?

Mastiffs were originally bred for guarding and protection, tracing back to ancient civilisations. Despite their size, they’re known for their calm, affectionate nature – often called “gentle giants” for a reason.

Follow for Giveaways & Breed Spotlights

We love seeing giant breeds like Mastiffs show off their collars.

👉 Instagram, Facebook and TikTok
👉 Watch for your breed’s week
👉 Tag a Mastiff lover to enter together!

📏 Not Sure What Size to Order?

Most Mastiffs wear a Large or Wide Large collar, depending on their build. Use a soft tape to measure around the neck, just above the shoulders. Leave a two-finger gap for a comfortable fit.
👉 View our Size Guide

Mastiff Breed Guide

About the Mastiff

Massive, mellow, and full of love – Mastiffs are steady and loyal companions. They bond closely with their family and are natural guardians with an instinct to protect.

Who Do Mastiffs Suit?

• Families with space and time for a big dog

• Owners who prefer calm, loyal breeds

• Homes that want a gentle watchdog

• People who enjoy quiet companionship

What to Know Before Getting a Mastiff

• Needs early socialisation and consistent training

• Low stamina – prefers lounging over long hikes

• Can be prone to drool (and snoring!)

• Requires strong, supportive gear due to size

Caring for Your Mastiff

Exercise: 30–60 minutes daily – gentle walks and yard time

Diet: Balanced, joint-friendly food to support large frames

Grooming: Low-maintenance – brush weekly

Health: Monitor for joint issues, heart health, and bloat

Enrichment: Gentle training, puzzle toys, family time