• HIDDEN GPS-TRACKING

    Discreetly integrated — the hidden Apple AirTag holder lets you track your dog’s location at any time.

  • LOCKABLE BUCKLE

    Lockable in seconds — securely fastened with a key to prevent any unauthorized opening.

  • INVISIBLE STEEL CORE

    A 2 mm steel cable hidden inside prevents cutting — while remaining flexible and comfortable for everyday use.

  • CUSTOM MADE-TO-MEASURE

    Crafted with such precision that it cannot be slipped over the head — while still ensuring maximum comfort.

  • HANDCRAFTED IN BERLIN

    Crafted with love – for protection, comfort and durability.

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Design your own GPS anti-theft collar — featuring a hidden AirTag or SmartTag holder, a lockable buckle, and a reinforced steel cable core.

Handcrafted to your exact specifications.

  • SMALL DOGS

    The 2 cm paracord version is ideal for small dog breeds
    such as:


    ✔ Chihuahua
    ✔ Dachshund
    ✔ Pug
    ✔ French Bulldog (smaller build)
    ✔ Jack Russell Terrier
    ✔ Maltese
    ✔ Pomeranian

    … and all dogs with a neck circumference of 22–35
    cm
    .It is lightweight and comfortable to wear, yet stable enough to provide
    maximum security.

  • LARGE DOGS

    With a width of 4–5 cm, this model offers maximum wearing
    comfort and exceptional stability.

    Perfect for:

    ✔ Labrador
    ✔ Australian Shepherd
    ✔ German Shepherd
    ✔ Rhodesian Ridgeback
    ✔ Large bully-type breeds
    ✔ Golden Retriever

    … and many more.

    Suitable for dogs with a neck circumference of approx. 30
    cm and above
    — and for long-necked breeds (e.g., Dalmatian, Whippet)
    starting at approx. 25 cm.

WHY CHOOSE ANTI-THEFT COLLARS FROM HUNDUM SICHER®?

✔ Lockable buckle
✔ Integrated steel cable core
✔ Handcrafted from durable paracord
✔ Custom-made to your dog’s exact measurements
✔ Safe, functional & aesthetically refined
✔ Developed from real-life everyday experience