Sizes Vary: Regular approximately range from 3” to 6 “ possible longer. Some are flatter, some more curved with an area, crevice or holes to place the plants. All can hold multiple plants. See pictures for details Cholla Chunks Natural Cholla Wood Chunk Air Plant Display Holders Individually Unique Decorative Stands or Holder by Awesome Industries Natural and Unique cholla wood holders or display for air plants or any other small item. No two are identical, with irregular and wild shapes. These are a natural chunk of cholla that you can attach the air plant to. Sizes Vary: Regular approximately range from 3” to 6 “ possible longer. Some are flatter, some more curved with an area, crevice or holes to place the plants. All can hold multiple plants. See pictures for details. Random selection shipped Great Add on with an air plant gift. See our natural and enhanced air plants here https://www.amazon.com/s?k=air+plants&me=A1BR4UBNZAPNG1&ref=nb_sb_noss