Delta White Plastic Freestanding Shower Chair in the Shower Seats department at Lowes.com
Amazon.com: Utoplike Teak Shower Bench Seat with Handles, Portable Wooden Spa Bathing Stool with Storage Towel Shelf, 22" x 13" x 18.6",Waterproof,Perfect for Indoor and Outdoor Use : Patio, Lawn & Garden
Source KC-01 bathroom shower seat shower bench freestanding solid surface resin stone shower stool on m.alibaba.com