Roll-style (pile) weatherstrip listings typically include roll length (commonly 100 ft), pile height (example: 0.312"), and backing or channel width (example: 0.125"). Product entries may also include boxed/package dimensions and material specifications for each component.
Removable seals often use slide-on or strap-style designs so they stay on the door but can be removed for cleaning or adjustment. Permanently mounted door-bottom seals are supplied with fasteners and screw holes (sometimes adjustable) for fixed attachment to the door.
Yes. Some draft stoppers are designed to move with the door: fabric or slide-on stoppers sit under or on the door so they slide as the door opens and closes, preserving the seal on sliding doors.