The offer requires valid acceptance for a binding contract to be formed. An offer can only make an agreement if it is accepted in its entirety.In this article, we will unravel the intricacies of offer and acceptance in the context of UK law, providing clarity and insight for undergraduate law students. Offer and acceptance are the fundamental building blocks of contract law, establishing a clear and mutual agreement between both parties. An offer must be "capable of acceptance". This is a reference to legal certainty of what exactly is being offered. The acceptance from the offeree must be equally clear, unequivocal and in response to the offer. For a contract to be valid, it must meet four key essentials: offer, acceptance, consideration, and the intent to create legal relations.