single bed converts to double

Twin Size Upholstered Daybed with Trundle, USB Port, Side Pockets - ModernLuxe

Futon Sofa Bed, Convertible Sofa Bed with Adjustable Backrest and Armrests, Modern Futon Double Sofa Bed for Living Room Bedroom Apartment

ModernLuxe Full Size Upholstered Platform Bed with Convertible Trundle (Flat or Erected), No Box Spring Needed

KWPZQEB Platform Bed, Montessori Floor Bed with Safety Guardrails, Converted Platform Bed, Wood Bed Frame, for Boys Girls, White/Gray

vidaXL Single Bed Frame with Headboard - Dark Gray Fabric, Plywood Slats, Metal & Pine Wood Construction, 39.4"x74.8"

Twin-Size XL Single Bed Frame, Velvet Upholstered Platform Bed Frame, Adjustable Headboard Height, Easy to Assemble, No Spring Mattress Required

vidaXL White Steel Double Bed Frame with Headboard - Elegant Metal Slats Design (59.1"x78.7") for Modern Bedroom

Twin Size Daybed with Trundle for Bedroom

Merax Twin Size Murphy Bed with USB Charging Station, Drawer Storage & Decorative Cabinet Design

GustoWave Upholstered Bed Frame for Children with Scalloped Headboard, Comfy Velvet Single Bed, No Slatted Base Needed

vidaXL Light Gray Fabric Single Bed Frame 39.4"x79.9" - Breathable Upholstery, Sturdy Wood & Metal Build, Supportive Slats, Elegant Headboard

Twin/Full Size 3-in-1 Convertible Montessori Metal Floor Bed, Fenced Toddler Bed, Canopy Platform Bed - ModernLuxe

Full Size Upholstered Platform Bed with 2 Drawers and 1 Twin Size Trundle

Upholstered Single Children's Bed Frame with Storage Drawers and Scalloped Headboard, Sturdy Wooden Slats for Support, Children's Bedroom Furniture

vidaXL Single Metal Bed Frame - Black, Steel Construction, Central Leg Support, Headboard, Footboard, Underbed Storage Space

Double Hammock with Metal Stand, 2-Person Cotton Fabric Hammock, Heavy-Duty Indoor/Outdoor Relaxing Lounger, 450 lbs Capacity, Widened Design

Double Hammock with Foldable Steel Stand & Carry Bag, Portable Freestanding Hammock, 450 lb Capacity, Garden, Patio, Camping, Beach

Whizmax Twin Over Twin Metal Bunk Bed with High Guardrail and Ladder, Twin Size Convertible Metal Bunk Beds for Kids/Teens/Adults,Easy Assembly

TIRAMISUBEST Teddy Fleece Full/Queen Size Platform Bed with Headboard, Upholstered Bed Frame with Solid Frame and Stylish Curve-shaped Design

Twin Size Daybed with 3 Storage Drawers and Trundle

Twin Size Platform Bed with Storage Headboard, Twin Size Trundle and 3 Drawers

Twin Size DayBed with Twin Trundle, Storage Shelf and USB Charging Ports

Honeyjoy Children Twin Size Upholstered Platform Single Bed with Headboard & Footboard Blue

KTMBDW Twin Metal Pull-Out Bunk Bed with Guardrail and Built-In Ladder, Space-Saving Convertible Frame, Easy Assembly, No Box Spring Needed, Black