Canini Collar Genuine Classic Leather Airtag Compatible Dog Collar – Durable, Comfortable and Stylish Design

Hello, for a 50 kg Golden Retriever, size XL will most likely be suitable. But we suggest you measure the neck circumference, because the weight alone is not enough. XL size: It has a usage range of 54–64 cm, a total length of 72 cm, and a width of 4 cm. If your dog's neck circumference is between 54–64 cm, size XL is suitable. If you share your neck measurement, we can confirm the fit clearly. If you have any other questions, we will be happy to help. Thank you very much for your interest. � �

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Hello, L or XL may be preferred for a large male Golden Retriever; However, it would not be right to say XL for sure without knowing the neck circumference. L: 47–56 cm XL: 54–64 cm If your dog's neck circumference is 54 cm and above, we recommend XL, if it is between 47–53 cm, we recommend L. Especially for larger male Golden Retrievers, if the neck measurement approaches around 54 cm, it would be better to choose XL for more comfortable use and adjustment margin. If you share your neck circumference in cm, we can clarify your size. If you have any other questions, we will be happy to help. Thank you very much for your interest. � �

Hello, it would not be correct to recommend a size only based on weight for 20-25 kg. Dogs of the same weight can vary in neck size depending on the breed. If you share the breed or the neck circumference (cm) of your dogs, we will gladly suggest the most suitable size for both. Thank you very much for your interest!

The collar weight might be too much for cats. Size may not fit either

"Hello, the ""first-last hole"" in the size chart shows the distance from the buckle to the holes." Size XS may be suitable for both your dogs