You'll want to look long and hard at Lance Travel Trailers:
Lance Travel Trailer Lineup1.
Small? YES (the 1575 is 15' 5" Floor Length) (the 1685 is 16' 3" Floor Length)
2)
Durable? YES One of the best manufactured TT on the market
3)
Lightweight? YES The 1575 dry weight is 2,700bs - the model 1685 is 3,650 lbs)
4)
Resistant to corrosion? YES (Lance uses "huck bolted" frames without the rust prone welding. Also use Aluminum wheels.
5)
Dry Bath? YES, a nice large shower stall and commode. The 1685 has a bathroom sink, whereas the 1575's only sink is in the kitchen)
6)
Insulated? YES The Lance travel trailers are fully 4 Season Travel Trailers. From dual pane glass to enclosed heated holding tanks and gate valves.
7)
Under 18'? YES There are some significant differences between the 1575 and the 1685 (storage amongst the biggest difference.) For example, Fiberglass roof (1575) and a TPO roof (1685 - fully walkable)
Lance Mfg has the corner on the market for small 4 season TT. They're light because the use of Azdel, which resists mold, mildew and water damage. Azdel (a thermoplastic substrate - Made in the USA) also has soundproofing and insulation R factors that can't be beat! They're also light because Lance uses LitePly instead of traditional plywood. The same kind of wood found in corporate jets, durable and light weight. The use of stainless steel fasteners, CNC routing and built to a zero tolerance - their TT's Truck Campers and Toy Haulers are all built without formaldehyde and other toxic glues/adhesives. All LED lights make it easier to boondock, etc
Watch a YouTube explaining how the Trailers are made:
Lance Camper Factory TourIt took me two late model trailers (Minnie Winnie and also a Arctic Fox) before I hit on the Lance