Not sure what size or color works best for you? Working with a range of clients? Try our Assortment packs. Each pack contains an assortment of shapes & sizes of our self-adhesive low vision & blind bump on tactile markers; 20 white bumps of the Round Small, Round Medium, Round Flat Top Medium, Square Flat Top Medium, 1 16-count Orange, plus one package of clear Loc-Dots.