Studio Light Essentials - DIY Die-Cut Block Advent Calendar - Nr. 28, Christmas At Home - Begin the countdown to Christmas! This package contains Studio Light Essentials DIY Die-Cut Block Advent Calendar, Christmas At Home. Size: A4 (8.3"x 11.7"/21cm x 29.7cm) 27 sheets of die-cut paper, 170gsm, acid and lignin free.