OSHA Caution Handy Cone™ Floor Signs: Watch Your Step (PFT181)
NMC HFS8 Warning-People Working with Graphics - 18 in. Three-View Foldable Pop-up Sign, Black on Orange Handy Cone: Amazon.com: Industrial & Scientific
Alpine Industries 30 in. Yellow Multi-Lingual Pop-Up Wet Floor Sign (5-Pack) 498-30-5pk - The Home Depot