Specification: Material: insect-proof plastic Size: 42cm color: red Applicable age: any pet older than 12 weeks A good gift for your dog, waterproof design, will not affect the use when washing. Direction of use: Put the collar around your neck and adjust it properly; The collar must be worn loosely to allow the neck to grow and allow the collar to move around the neck; Under normal circumstances, the collar is replaced every 90 days; Production date: a seal. Shelf life: 2 years. Packing: 1 PC* collar