The Sealyham terrier is a small dog. The adults are usually about 10 1/2 inches tall and weigh 18-24 pounds. 
The Sealyham is a good looking terrier. The breed has the fortune of being free from most major genetic problems. They have oval, deep-set eyes, and a long, broad, and powerful looking head. The Sealyham terrier is often completely white, or white with lemon, tan, or badger markings.
The Sealyham terrier is a good candidate for an individual or family pet. Like many terriers, the Sealyham is intelligent and tends to be stubborn and head strong. Early training as a puppy is a good way to avoid discipline related problems. The rewards method of obedience training is a good way to train your Sealyham. Pet stores sell dog biscuits, organic dog food, and special treats to help train your dog. When training a Sealyham, keep in mind that they are intelligent dogs who learn easily, but will occasionally test your authority. Be consistent, but not so strict as to hurt its feelings. However, if you spoil a Sealyham, it may turn out to be bossy and disobedient.
If you are considering a Sealyham as a family pet, there are a few important training points you should keep in mind. A Sealyham terrier is a proud animal. Although it is not overly aggressive, it is extremely loyal and possessive. Sealyhams may have a difficult time getting along with another dog in the house, particularly if the other dog is new. There are hunting instincts in almost any terrier. If you also keep cats, train your Sealyham terrier from a young age to be around other animals. The same goes for training your Sealyham to be with children. The Sealyham terrier can be very good with young children, but must be accustomed to them early on.
The Sealyham requires moderate exercise every day. Ensure that you have a leash on its collar, as the Sealyham's inquisitive nature can get it into trouble. If given enough exercise, at home the Sealyham will tend to be mellow, even a couch potato. They are dogs that require a lot of affection and attention, but unlike some of their more energetic terrier cousins, a Sealyham is perfectly content snuggling with you on the couch while you watch television.
It is always good to have a chew toy for your pet, in case they need a little extra amusement inside. It is also a good idea to keep a bed or a crate for the Sealyham to sleep while it is indoors. The Sealyham can make a good apartment dog because of its low energy level. During the potty training phase, don't forget to use puppy training pads and enzyme cleaners. Incidents like these are bound to occur until your dog is fully trained.
The Sealyham terrier is a great choice for an indoor apartment dog. With proper training, it will be amazingly loyal to its owner. The Sealyham is a quiet companion. If you like moderate exercise and spend your nights being a couch potato, this may be the perfect dog for you.
