Most products list nylon for the hook and loop material. Sticky-back strips typically combine nylon with a rubber-based or similar compound for the adhesive backing.
Both appear in the results. Many are traditional hook-and-loop (hook and soft loop) sticky-back types, while some heavy-duty items use hook-to-hook or snap-lock designs that click together and do not require a loop (soft) side.
Yes. Several products state the sticky-back tape can be trimmed to length with household scissors and cut into strips of different lengths.
They are described for use on most smooth surfaces, including walls, glass, plastic, metal, tile and finished wood—per the product details.
Holding power varies by product. Examples in the listings include up to about 5 pounds (often noted as ~1 lb per 1" square), up to 10 pounds, and heavy-duty or snap-lock options listed up to about 15 pounds; some specifications are also given as roughly 2–2.5 pounds per square inch. Always check the specific product listing for exact holding ratings.
Outdoor-ready products highlight water resistance, UV resistance and industrial- or heavy-duty-grade adhesive formulations designed to withstand rain, snow and heat; listings typically call out these properties for indoor or outdoor mounting.