I needed something safe and large enough to let my old girl sleep in. She is 15 and is incontinent so I needed something to put her in to keep accidents from happening on the floor and rugs. She seems very content in her little sandbox the sides are secure, she doesn't fall out; she even stands and waits for me to put her into it! The lovely blue works well with my living room colors as well LOL! Plastic cleans easy. No smell to the plastic, it has little designs that help grip her feet so she doesn't slide around when the blanket is being washed. Thank you Wayfair for  offering the  Lagoon Junior Pool 2.5' Square Sandbox & helping me find a product that worked for our family.