Here is a sample test I ran. The "shiny" side is on the outside of the roll, facing the mat. It was hard to know which side was "shiny". Both sides are shiny. The quality is excellent.
Matte Black Permanent Vinyl Roll 12"X55Ft - PET Backing Adhesive For Cricut, Signs, Car Decal & Craft Cutters.
9 Review
Easyweed Heat Transfer Including Detailer Squeegee
9 Review
7 Sheets Assorted Colors Pattern Permanent Vinyl For DIY Decals Gifts - TransWonder Rainbow Vinyl For Cricut Machine Adhesive Stickers Valentine'S Day
10 Review
Streamline Your Weeding Process With IVyne Berry Suctioned Vinyl Scrap Collector & Holder - Green
25 Review
Coolrunner Mixed Food Resin Flatback Kawaii Cabochons Decoden (60) - Adorable Assortment of Miniature Treats for DIY Crafts and Decor Projects
9 Review
Craft Tool Quickstik by We R Memory Keepers
7 Review
π 100 Pack of Assorted Colorful Adhesive Stick-On Heart, Star, and Round Shaped Jewel Gems for Arts & Crafts, Themed Party Decorations, Children's Activities - Super Z Outlet
7 Review
𧲠Enhanced Magnetic Large: Basic 8 Inch to 32 Inch Size for Optimal Performance
9 Review