Description The PERMECTA Biocidal Collar for Large Dogs helps protect your pets from fleas and ticks. The product contains permethrin and geraniol, and the effects are visible within 48 hours and last for 90 days. Package contents 1 package contains 1 collar, 70 cm long. The product contains permethrin and geraniol. Product purpose Product intended for large dogs to protect against ticks and fleas. Product use The collar should be removed from its sealed packaging, adjusted to fit the dogs neck circumference, and put on. The collar is waterproof and should remain on the animals neck at all times. The light coating on the collar is a natural result of the manufacturing process and will gradually fade with use. Notes and precautions Do not use on cats, do not use on puppies under 3 months of age, do not use on sick or convalescent animals.