N.Y. Comp. Codes R. & Regs. tit. 7, § 304.6
Clothing items, bedding (excluding blankets), flatwork and the washcloth will be exchanged one for one on a weekly basis. The towel will be exchanged one for one a minimum of two times per week except in those facilities which elect to exchange two towels once per week. Any item issued to an inmate will be freshly laundered.