Cookies

woocommerce_cart_hash session Helps WooCommerce determine when cart contents/data changes.
woocommerce_items_in_cart session Helps WooCommerce determine when cart contents/data changes.
wp_woocommerce_session_ 2 days Contains a unique code for each customer so that it knows where to find the cart data in the database for each customer.
woocommerce_recently_viewed session Powers the Recent Viewed Products widget.
store_notice[notice id] session Allows customers to dismiss the Store Notice.