Our Martingale Chain Dog Collar is a heavy duty, reflective, locking, nylon clasp chain martingale dog collar. It has many features not normally found in martingales. The collar is 2mm thick and very strong and made for the largest of dogs. Its quality nylon webbing contains reflective stitching for improved nighttime visibility. We use a 304 grade welded link stainless steel chain which we verify through independent lab testing. (Link to lab test) We also feature a lockable nylon clasp which prevents an accidental releasing of the latch when grabbing the collar. Size Nylon Thickness Collar Width Dog's Neck Size X-Small 1.5mm 1/2" 10" - 12" Small 2 mm 1" 12" - 16" Medium 2 mm 1" 16" - 19" Large 2 mm 1" 19" - 25" Note: New sizing as of 2024, we have discontinued the size called Medium/Large. It is now called Medium. Also, the small collar is now 1" wide instead of 3/4". Features:- Comes in 5 sizes (XS, S, M, L)- 5mm thick D-ring- Reflective stitching for improved nighttime visibility- Locking nylon clasp for increased safety (not on XS size)- Separate Easy Loop Tag Holder used under license from Cycle Dog Inc. US Pat 9,027,515 (not on XS size)- 304 Stainless Steel Chain Sizing Chart
