What stood out to me the most was how the sleeve had little to no odor while being soft to the touch since a lot of TPE materials on the market (especially clear ones) have a strong odor associated with them. It’s easy to clean as well, rinsing it with warm water does the job. This also came with two sleeves of different sizes, but for most, you would typically only be able to use one of the two provided (so one of them will just be sitting in your closet collecting dust). Lastly, I’ll have to compliment the vibrating part which is separate from the sleeves and can also be controlled. Honestly just watching the little thing jump all over the table was an amusing sight in itself.