The INSIDEDOG Bean Bag Tube has a durable high frequency PVC air container inside, with micro-foaming particles inside the air container, which is covered in a strong fabric.
The PVC used in the product received a safety certification concerning phthalates (endocrine disruptor) from SGS (an internationally reputable testing/certification organization). (No.: F690101/LF-CTSAYHA15-02282)
It doesn't easily get wet or dirty, since it has a water repellent fabric coating.
It dries quickly.
Attached a ring to connect a dog leash to tube cushion.
Designed drainage holes in both sides do not to let the water rise inside.