Hook and loop cable ties with buckle accurately describes a type of cable management product. 

Hook and loop: This refers to the fastening mechanism, commonly known by the brand name Velcro. It consists of two fabric surfaces: one with tiny hooks and the other with tiny loops. When pressed together, the hooks and loops interlock, creating a strong, reusable bond.

Cable ties: These are fasteners used to bundle cables or wires together, keeping them organized and tidy.

With buckle: This indicates that the cable tie incorporates a buckle mechanism, which adds an extra layer of security and strength to the fastening. The buckle helps prevent the hook and loop from accidentally coming undone, especially when dealing with heavier or more numerous cables.
Therefore, "hook and loop cable ties with buckle" are reusable cable organizers that combine the convenience of hook and loop fasteners with the added security of a buckle.

They are commonly used in:
Computer and networking setups
Home entertainment systems
Electrical installations
General cable management in offices and homes.