In the pack, you will get 4 toothbrush cases and 5 toothbrush covers in assorted colors, enough for a big family. Long cases are suitable for manual toothbrushes and the covers can hold electric toothbrush heads. Travel toothbrush cases are made of high quality wheat straw plus pp material, non-toxic, odorless, eco-friendly and durable, safe to use. Each case measures 21cm long and 3cm wide, suitable for 99% of manual brushes. For some oversized manual brushes, use the toothbrush covers. Hinging open on 1 side, much like a book, place the brush into the cover and snap it closed around the bristles of the brush head. Ventilation is built-in via small holes at either end of the case, avoiding the unwanted buildup of moisture and bacteria and helping the toothbrush in the case to breathe. Portable lightweight toothbrush cases and small covers are easy to carry in a bag or suitcase, great for outdoor camping, hiking, business trips, family travel, road trips,etc.