Scalibor Collar Presentation Collar for small and medium-sized dogs. This white collar, 48 cm in length (19 g) contains 4.0% deltamethrin which corresponds to 0.76 g deltamethrin per collar. Collar for large dogs. This white collar, 65 cm in length (25 g) contains 4.0% deltamethrin which corresponds to 1.0 g deltamethrin per collar.