Amber Color: Cognac, Honey; Finish: Raw; Amber Bead Shape: Chip; Gemstones: Amethyst; Length: 20cm (7.9 inch), 25cm (9.4 inch), 30cm (11.8 inch), 35cm (13.8 inch), 40cm (15.7 inch), 45cm (17.7 inch), 50cm (19.7 inch), 55cm (21.7 inch), 60cm (23.6 inch) 65cm (25.6 inch); Custom lengths also available for wholesale customers. Clasp: Screw Clasps; If you are looking for a natural solution that would help to repel fleas and ticks from your pet it is definitely worthwhile to consider Amber collar. These collars contain beads of genuine Baltic Amber so they are completely natural. Amber has the ability to repel ticks and fleas since it has a specific smell, which is repelling to them.