Stronghold findes i pakninger med 3 tuber (alle tubestørrelser), 6 tuber (alle tubestørrelser undtagen 15 mg selamectin), eller 15 tuber (kun tuber med 15 mg selamectin).
STRONGHOLD is available in packs of three tubes (all tube sizes), six tubes (all tube sizes except 15 mg selamectin), or fifteen tubes (15 mg selamectin tube size only).