- Waveless waterbed bladder
- Premium vinyl
- Reinforced corners
- Fiber is attached at all four corners
- Two second motion rating
The 501 series soft side waterbed mattress bladder by classic waterbeds is a 5″ fill, 80% waveless bladder with a 2-3 second motion rating. This mattress has a 2″ layer of fiber, and 1 lumbar extra support layer. The reinforced corners provide extra durability and strength, while the “t” shell corner construction provides even extra support. Waterbed mattresses do not carry a warranty.