Black Leather Dog Collar with Clear Sparkling Swarovski Crystals. When nothing but the best will do! Full grain bridle leather adorned with genuine Swarovski crystals. These Crystallized Collars with Swarovski crystals are made of luxurious Italian leather lined with pebble grain leather for durability and comfort. The 1/2", 5/8”, and 3/4" wide collars have 1-row of Swarovski Crystals. The 1” wide collars have 2-rows of Swarovski Crystals. The 1-1/4" wide collars have 3-rows of Swarovski Crystals.