To place items in Decorate Your Jail on Roblox, open the build/decorate menu, select the furniture or object you want, then tap or click the empty spot in your cell to place it. Recent Roblox clips and guides about similar jail-decoration games show players using a placement system to position furniture inside the cell rather than dragging it freely.

Basic steps

  1. Enter your jail cell or room.
  2. Open the decoration or furniture menu.
  3. Choose an item.
  4. Click or tap the floor, wall, or slot where it can go.
  5. Rotate or adjust it if the game lets you.

If it won’t place

  • Make sure the item fits the available space.
  • Try a different angle or a clearer empty area.
  • Check whether you need to unlock the item first.
  • Some games only allow placement on marked spots or inside your own cell.

What players are doing

Public videos from June 2026 show people decorating jail cells and using in- game placement systems to arrange furniture, color items, and build a more complete room setup. That suggests the game is focused on placing items directly in your jail space rather than a separate construction mode.

If you want, I can also turn this into a short Roblox-style guide with exact button labels for mobile or PC.