Self-Adhesive Kraft Paper Tapes are made of high-strength & 100% recycled Kraft paper having fantastic durability The tapes are 100% recyclable / compostable / bio-degradable. Made from 57gsm Kraft paper with a natural rubber adhesive which provides a strong and lasting bond without the need for water activation, unlike traditional water-activated tapes, which require moisture to adhere properly, this tape is ready to use right out of the box - saving you time.