Mixed list of different items (shower kit, flooring, wall panels, leak detector), so format B fits. Topic is waterproofing the home.Waterproof Home Upgrades Supply List: 6 Essentials to Have is too long. Try: “Bathroom Waterproofing Supply List: 6 Essentials to Have” (55 characters), but flooring and leak detector aren’t bathroom-only. Use “Home Waterproofing Supply List: 6 Essentials to Have” (52 characters).Home Waterproofing Supply List: 6 Essentials to Have