Your cat will love this little hideaway, choose from a single fabric or a patchwork version. Use as a mat or secure as a tunnel with ties or a zipper. Material requirements include: Single Fabric Version(6) fat quarters OR 1-1/8 yds fabric for interior and exterior; Patchwork Version (3) charm packs (42 charms each) OR (1) layer cake OR (7) fat quarters OR (12) 1/6 yd cuts for exterior and interior; (2) packages 1/2" double fold bias tape OR (2) fat quarters OR 1/3 yd fabric for binding and ties; 1 yd high loft batting; 2 yds 1-sided fusible foam; 1/3 yd of 20" wide insulating material; 1 yd 1-sided fusible heavy weight stabilizer. 'Cat Napper' cat mat and cat tunnel pattern by Sallie Tomato. Finished size of tunnel is about 12" x 12" x 20". Finished size of mat is 36" x 20".