It's vinyl, not leather, so it's Vegan. It's unused. 80s or 90s, becsause it was found with lots of clothing & accessories from that period. Do you need a blue one? This one not a vibrant blue as in some photos. It's 45" long total, 42" to first hole (loosest), 38" to last hole ( tightest), 1" wide. Buckle is smooth brass.M
This item is sold from an excellent, highly rated vintage boutique in Northfield, OH.