Introducing the Pregnancy Wedge by Boppy®. As baby grows, it becomes more difficult for mom to get the rest she needs. The dense foam supplies support when positioned under the belly. Its lightweight portability makes it easy for mom-to-be to move it about during sleep. It can be moved from belly support to support between the legs to help ensure proper alignment while sleeping. A lavish 360-thread count cotton slipcover makes for easy washing.