We did a lot of research on daybeds with trundles and are very happy we chose this one. In reading reviews of this bed and others, we were focused on quality, correct size of mattress and color. We are using an XL twin on top (8) and a regular twin for the trundle (7 ?). You could probably use an 8 on the bottom as long as its not a pillow top or it doesnt have a comforter on it that would prevent it from fitting easily under the bed. We decided on an 8 mattress on top so that you could see more of the detail of the back of the bed. The quality is good for the price and the color is a bright white which ended up working well with our existing white furniture. The trundle moves well on carpet. You do have to maneuver it a bit when you put it back in but its not a huge problem. My husband and son-in-law put both bed and trundle together in about 1 ? hours. Overall we are pleased with this bed.
Nanax2
We did a lot of research on daybeds with trundles and are very happy we chose this one. In reading reviews of this bed and others, we were focused on quality, correct size of mattress and color. We are using an XL twin on top (8) and a regular twin for the trundle (7 ?). You could probably use an 8 on the bottom as long as its not a pillow top or it doesnt have a comforter on it that would prevent it from fitting easily under the bed. We decided on an 8 mattress on top so that you could see more of the detail of the back of the bed. The quality is good for the price and the color is a bright white which ended up working well with our existing white furniture. The trundle moves well on carpet. You do have to maneuver it a bit when you put it back in but its not a huge problem. My husband and son-in-law put both bed and trundle together in about 1 ? hours. Overall we are pleased with this bed.