Our 1/2 inch wide Majestic Vinyl Crocodile pattern dog collars have spikes & clear rhinestones. This collar is available in sizes 10, 12, 14, 16 and 18. The colors available are Black, Brown, Off White, Pink and Red. Size 10 will fit a dog with a 6-1/2 inch to 8 inch neck. Size 12 will fit a dog with a 8-1/2 inch to 10 inch neck. Size 14 will fit a dog with a 10-1/2 inch to 11-3/4 inch neck. Size 16 will fit a dog with a 12 inch to 13-1/2 inch neck. This collar usually ships out within 3 to 4 days.