38mm Metal Clasp Collar: Fit and Care Guide
By Collared Creatures | Published: 2026-10-30
Category: How-to Guides
Learn how to properly fit and care for a 38mm metal clasp dog collar, including sizing tips, cleaning instructions, and common mistakes to avoid.
Quick answer
Measure your dog's neck snugly, add two finger widths for comfort, and clean the collar with mild soap and water to keep the metal clasp and biothane material in top shape.
Why fit matters for a 38mm collar
A 38mm-wide collar spreads pressure over a larger area, making it ideal for strong, large-breed dogs that pull or lunge. A poor fit can cause chafing or allow the dog to slip out, so precise sizing is essential.
The metal quick-release clasp adds convenience but must be positioned correctly to avoid pressure points on the throat. Always check that the clasp sits at the side or back of the neck, not directly under the chin.
Biothane care basics
Biothane is waterproof and resists odors, but it still needs occasional cleaning to remove dirt and grime that can wear down the surface over time. Avoid harsh chemicals or abrasive scrubbers that could damage the material or the metal clasp's finish.
Rinse the collar after exposure to saltwater or mud, and dry it with a soft cloth. Store it away from direct sunlight when not in use to prevent UV degradation.
Step-by-step fit and care guide
- 1. Measure your dog's neck: Use a flexible tape measure around the base of the neck where the collar will sit. Pull it snug but not tight. Record the measurement in inches or centimeters. Common mistake: measuring over the dog's fur can add up to an inch. Press the tape against the skin for accuracy.
- 2. Choose the right size: Add two finger widths (about 1–2 inches / 2.5–5 cm) to the neck measurement for a comfortable fit. This allows the collar to rotate slightly without being loose enough to slip over the head. Checkpoint: if you can fit more than two fingers under the collar, it is too loose. If you cannot slide one finger, it is too tight.
- 3. Position the metal clasp: Fasten the collar so the metal quick-release clasp sits at the side or back of the neck, never directly under the chin. This prevents throat pressure and makes the clasp easier to release in an emergency. Common mistake: leaving the clasp at the front can cause discomfort and accidental unfastening if the dog rubs against furniture.
- 4. Clean the collar regularly: Wipe the Biothane material with a damp cloth and mild dish soap. Rinse thoroughly with clean water and dry with a towel. For the metal clasp, use a dry cloth to remove moisture and prevent tarnish. Checkpoint: avoid bleach, alcohol, or abrasive pads—they can dull the Biothane finish and corrode the metal hardware.
- 5. Inspect hardware monthly: Check the metal clasp for signs of rust, bending, or looseness. Test the release mechanism to ensure it clicks open and closed smoothly. Replace the collar if the clasp shows wear. Common mistake: ignoring a stiff or sticky clasp can lead to failure when you need to remove the collar quickly.
Product facts
- Olive 38mm Wide Waterproof Biothane Metal Clasp Dog Collar: Handmade in Yorkshire, this 38mm-wide Biothane collar is designed for larger, stronger dogs, with a wider profile that distributes pressure evenly around the neck. Even pressure distribution reduces the risk of neck strain and makes the collar more comfortable for powerful breeds during walks or training.
Olive 38mm Wide Waterproof Biothane Metal Clasp Dog Collar
