For various Dive Professional programs additional Cue Cards/Wetnotes and/or Evaluation Slates must be purchased mandatorily by each Dive Professional. These In-Water Slates provide a training reference while being under water to ensure that all performance requirements are met. Each Freediving Instructor Candidate must purchase the Freediving Instructor Package which contains the cue cards/wetnotes for all Freediving Beginner Level Programs and the Level 2 and 3 programs.