FengWu 12 Pack 12'' x Interlocking Rubber Bathroom Flooring Tiles Non-Slip Splicing Waterproof Mat Modular Cushion for Drain, Deck, Pool, Patio, Balcony, Shower, Kitchen, Yard (Black)

Used for under a hot tub, works well, good airflow to dry any moisture and keep from mildrew/molding.

We use these in the compartments of the boat to help the drainage. Easy to cut if you need to make them fit. No complaints!

It seems a bit expensive but it works well for putting under my hot tub. Easy to assemble and quality seems very good. Stays pliable and is not like hard plastic.

We use it for a long widestep on our deck. The steps up to the deck are a uniform dark brown and we were afraid new visitors would not see the step and would trip and fall. This way, a non slip black color made the step apparent, without looking obnoxious. It has worked well, and water from rain goes through without pooling.

I was planning to use under rv mattress to help reduce the chance of microbial growth. The strong chemical smell of these is sickening. My attempt to reduce the smell was a failure after trying to wash them and sit them outside for a few days. DONT BUY if trying to use inside! Great tiles for well ventilated areas.

Works as advertised, interlocks very well. I bought a couple of these for my sauna area, its sitting on gravel and isn't hard on your feet like some of the heavy duty gym ones.I recommend.

nice and strong

The odor is horrific. I washed with soap and water and they still reek after 5 days. Might be ok for outdoor use. I had to dispose of them.