Casper Sleep Element Mattress, Twin, Grey crystli 5-inch individually-wrapped steel coils for

5-inch individually-wrapped steel coils for a soft mattress backed with gentle and enduring support

The king (99) rails work with both (66

You can enjoy this memory foam queen mattress without concerns while you are following your dreams

which is also waterproof

foldable design

Casper Sleep Element Mattress, Twin, Grey crystli 5-inch individually-wrapped steel coils forBrand: Casper Color: Grey Features: General Note: Please allow 24 to 72 hours for your Mattress to regain its full shape. Any memory foam will expand faster in a warmer room. In cold temperature, at delivery, your mattress may take a bit longer to return to full sized from its compressed state. The expansion time of the mattress will vary as per the surrounding. Balance: The Element is engineered to combine both softness and support. The top layer of