Customize WooCommerce Checkout Fields, Create Group of custom fields for particular Products or Category and repeat with quantity, Also update default checkout fields. Features Multiple Group of Checkout Custom Fields. Apply to particular Products & Category. Field Group Repeat By Product Quantity. Display Checkout Fields on Order Edit page and all WC Email Template. Multiple type input fields(Text, Select, Textarea, Radio, Checkbox, Email, Telephone, Time, Date, Color, Datetime).