Sunbeds are long chairs for sitting or lying on outside, especially to get a tan.
Sunbeds are often associated with relaxation and vacation.
Examples:
I like to lie on the sunbeds at the beach.
She sat on the sunbeds by the pool.
The sunbeds were all taken at the resort.
The sunbeds at the park are always full in the summer.
There were so many sunbeds at the beach, it looked like a sea of chairs.
I fell asleep on the sunbeds and got a sunburn.