Magento 2 shipping restrictions refer to the limitations or rules that can be applied to shipping methods in the Magento 2 e-commerce platform. These shipping restrictions in Magento 2 enable you to control and manage the availability of shipping methods during the checkout process. The purpose of these restrictions is to customize the shipping options and provide a tailored shipping experience for customers based on various criteria. Some common types of Magento 2 shipping restrictions include country restrictions, zip code restrictions, and weight and dimension restrictions.