How much will shrink plastic shrink?

Easy DIY Shrinky Dink Instructions - The DIY Nuts

Shrink Plastic Keychains : 5 Steps - Instructables

Shrink Plastic Christmas Ornaments for Kids * sparkle living blog

Shrink Plastic Sheets, 20 X 14.5cm - 25 Pieces : Industrial & Scientific

I've made all of these from shrink plastic during quarantine. : r/crafts

50+ Shrink Plastic Crafts to Make

Shrinky Dinks - Gelfand Center - Carnegie Mellon University

【CUTE, FUN, CREATIVE SHRINK ART】Our shrink film sheets will harden from a soft flexible plastic film, to small and hard design, have fun memories with

Shrink Plastic Sheets, 8pcs Shrinky Art Paper with Cute Animal Pattern, Heat Shrink Film Sheets for Kids Creative Craft, Create Your Own Shinky Dinks

Craft me Happy!: Craft Fail! DIY shrink plastic with #6 packaging (and how to rescue it).