You can not keep your puppy in a «sterile bubble» and his socialization needs during this time are extremely important also. (cockapooclub.com)
To help keep your puppy from chewing on things he shouldn't, you should provide him with a variety of different toys. (pawster.com)
Keep in mind that you won't need the puppy pen forever, but it is an important purchase for keeping your puppy safe when you first bring him home. (barbaraspetcareservices.com)