What is ORACAL 651 transparent vinyl used for?

Clear / Transparent ORACAL 651 vinyl is intended for printing with a solvent or latex printer, which is not something most people would have access to at home. So what do you use it for?

10 Sheet 12x12 Adhesive Backed Vinyl, Oracal 651 Outdoor Sign Craft Cut Cutter Gloss, Wraps, Tumblers, Glass, Vehicles Use Silhouette,cricut - New Zealand

Oracal Vinyl – 24″ Oracal 651 Intermediate Cal

Oracal 651 By The Foot - Buy Bulk Wholesale Vinyl Rolls

(10 Sheets) Oracal 651 Transparent Adhesive Craft

Oracal 651. Quality, permanant adhesive sticker vinyl, for use on hard

ORACAL® 651 Brilliant Blue Craft Vinyl, Craft Sheets

ORACAL Self Adhesive Vinyl

SUBLIMATING ON CLEAR 651 ORACAL VINYL @350/45 seconds

Oracal 651 vinyl and what are some of it's many uses? - Craft Vinyl

Record Volumes on ORACAL 651 Vinyl Media in Seattle, WA

Hi, Is there a clear vinyl one can use as a protective layer over decals? Transfer taper is too foggy. Something really clear would be great. thx. : r/cricut