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The Mastiff — formally known as the Old English Mastiff — is one of the heaviest and most ancient dog breeds in the world, with a history stretching back over 2,000 years. Julius Caesar recorded encountering massive British war dogs during his invasion of Britain in 55 BC, and these dogs so impressed the Romans that they were taken back to Rome to fight in the Colosseum against lions, bears, and gladiators. Throughout the Middle Ages, Mastiffs served as estate guardians, war dogs, and bear-baiting dogs in England, and were so prized that only noblemen were permitted to own them. The breed nearly went extinct after World War II, when food shortages made it impossible to feed dogs of such enormous size — the breed was saved largely through imports from Canada and the United States, where a small breeding population had been maintained. Today's Mastiff holds the record as the heaviest dog breed, with males regularly exceeding 200 pounds. Despite their formidable size, Mastiffs are famously gentle, patient, and deeply devoted to their families — the quintessential gentle giant. Our collection celebrates this ancient breed with original artwork across 3,000+ USA-made home décor and gift products.
Browse our Mastiff collection below to find quality, USA-made décor that honors this ancient and noble English gentle giant. Every piece ships from our studio in Mobile, Alabama.

Looking to add premium, USA-made dog-themed home decor to your store? Learn about our wholesale partnership program for pet boutiques, gift shops, and retailers who want to offer their customers quality garden flags, welcome mats, and accessories.

Partner with us to create custom dog breed collections for your club, rescue, or organization. Learn how we collaborate with breed groups to design USA-made garden flags, home decor, and accessories that celebrate your breed while supporting your community.

Read stories from Caroline's Treasures customers about how our USA-made home décor has become part of their daily lives, celebrations, and cherished memories.
