!! Read it all !! The Celtic collar in jet black is a handmade luxury leather dog collar , made from 2 layers of vegetable tanned leather dyed in jet black with hot red Nappa italian leather for the soft padding. It is 2 inches wide ( 5cm ) with a heavy duty buckle & heavy duty Dring & decorated with Celtic knots & Celtic crosses . It is meant for big & strong dogs but it can be customized to any size & color. vegetable tanned leather Dyed by hand 5mm total thickness 2 ( 5cm ) inches wide Heavy duty double buckles & D-ring Celtic Conchos Hand - sewn ( saddle stitched ) for maximum strength & security Soft Padding Measure your dog’s neck with a measuring tape. Not too tight but not too loose . If you need help with this , get in touch . If for example your dog’s neck size is 20 inches , thats where the first hole will be with extra holes for adjustments ADD PHONE NUMBER TO ORDER NOTES Cane Corso Collar, Viking Dog Bullmastiff, Boerboel Wide Padded Handmade