The Furny | Sting Daybed with Two Arms
The daybed is also available with one armrest or without armrests. The armrests in the 3D model are separate.

Dimensions:
Sting daybed with two armrests, 213x104x77 cm
Sting daybed with one armrest, 205x106x77 cm
Sting daybed without armrests, 198x104x77 cm

Model pages
https://thefurny.eu/catalog/kushetka_sting_s_dvumya_podlokotnikami.html 
https://thefurny.eu/catalog/kushetka_sting_s_odnim_podlokotnikom.html 
https://thefurny.eu/catalog/kushetka_sting_bez_podlokotnikov.html