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SEKAIPET ESSENTIAL COLLAR — CIRCUIT BLUE
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COLD PRECISION.
CIRCUIT BLUE is tuned for controlled urban movement. A saturated blue surface meets exposed metal hardware and SEKAIPET’s red signature detail, creating a precise tension between utility and identity. Engineered with high-density woven nylon and a low-profile closure, it stays visually clean against the neck while moving through the city without friction or excess. -
Use cold water and a mild detergent. Rinse thoroughly and air dry away from direct heat or sunlight. Do not bleach, tumble dry, iron, dry clean, or use harsh chemical cleaners. After exposure to rain, salt water, sand, or mud, rinse with fresh water and allow the collar to dry completely. Before each use, inspect the buckle, adjustment hardware, webbing and D-ring for signs of wear.
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Adjust the collar so that two fingers fit comfortably between the collar and your dog’s neck.
Attach the leash only to the metal D-ring. Confirm that the buckle is fully engaged before every departure.
ESSENTIAL is designed for everyday walking and identification use across changing environments. It is not intended for tie-out, weight-pulling, or unattended restraint. Do not leave your dog wearing the collar unattended in a crate or confined space.
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Measure your dog’s neck circumference at the point where the collar will sit. Use a soft measuring tape and keep it close to the neck without pulling tight.
If your dog falls between sizes, choose the larger size and adjust for a secure fit.
SMALL
Neck circumference: 10–19 cm
MEDIUM
Neck circumference: 15–24 cm
LARGE
Neck circumference: 23–46 cm
Please measure before ordering. For hygiene reasons, collars cannot be returned or exchanged once worn or used.
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Orders are prepared and dispatched from our studio within 3 business days, unless otherwise stated on the product page.
A tracking number will be sent once your order has been dispatched. Delivery times vary by destination and local carrier conditions.
International customers are responsible for any customs duties, taxes, or clearance fees charged by the destination country.
Featured Products
Engineered for Mobility. The Ultra-Stretch Combo Top is the ultimate performance base layer for your dog（cat）. Crafted from a high-density viscose knit, it functions as a "second skin," providing unrestricted movement and superior breathability.
Specification
Performance Fabric: High-stretch viscose offers a smooth, skin-friendly texture with excellent elasticity.
Deconstructed Aesthetics: Features a unique hollow-out design with contrast binding, merging the lines between underwear and outerwear.
Harness Compatible: Strategic cutouts in the chest and back areas ensure seamless pairing with tactical harnesses.
Signature Branding: Finished with the "SEKAI" logo printed on the back.
