The Queen's Treasures Single Stackable 18" Doll Wooden Bed & 3 Piece 18&rdquo; Doll Bedding Set! Mahogany Stained Furniture & Accessories Fits American Girl. Buy 2 to Make a Sleepover Party Bunk Bed Amazingly versatile single doll bed for 18" American Girl Dolls with bedding fit for a Queen that can easily stack into a bunk bed when you purchase more than one. Buy one 18" doll bed or as many as needed. Unscrew the top knob to stack the bed to create a bunk bed. Set includes 3 piece paisley bedding with mattress, blanket and pillow sized perfectly for this 18" doll bed. Perfectly sized furniture to fit 18" dolls like American Girl. Bed measures 18.5"L x 8.5"W x 8"H as a single bed. Exclusively made by The Queen's Treasures, offering the highest quality 18" Doll Furniture, 18" Doll Clothes, 18" Doll Shoes and 18" Doll Accessories. Safety Tested.