Polyester 210D with 98% reflectivity Mylar interior Grow TentMaterial: Mylar interior and Polyester 210D exterior Frame: Steel with powder coatingTube joiner: Steel with spring inside deal with powder coating finishing.Easy assemble, strong frame, long life span, hanging strips & mat matched,Feature: Non-toxic, water resistance, flam proof, light proof, high reflectivity inside.All neccesory ...