Matrix Horticulture 36"x36"x72" Grow Tent Diamond Mylar 600D Hydroponic Growing Room Box for Indoor Plants Observation Window Arch Door D Design 3'x3' HIGH QUALITY CONSTRUCTION: Tear-resistant & light-proof 600D Diamond Mylar 95% Reflective lining. Double-Stitched & Reinforced Corners. 100% All-Steel poles and connectors. No plastic corner connectors here. Heavy-duty #10 Smooth-Glide Zippers PREMIUM FEATURES: CLEAR OBSERVATION WINDOWS for easy monitoring of your growing plants' ideal growing environment. DUAL-LAYER DUCTS block light and improves climate and odor control. MICRO-MESH VENTS for effective pest control. REAR-ACCESS DOORS for easy access to your plant garden. FAST & EASY ASSEMBLY: NO TOOLS NEEDED. Convenient Quick-Click poles and easy-to-follow, fully-illustrated assembly instruction manual. Be free to set up your MATRIX Grow Tent garden in your room, dorm, garage, home, condo or wherever you choose. EXCELLENT CUSTOMER CARE: All MATRIX hydroponic grow tents are backed by our customer support team where we are committed to your total satisfaction. With our 30 day hassle-free Money-Back Guarantee plus a 1 year Manufacturer's Warranty, the choice is clear. EXTERNAL DIMENSIONS: 36"x36"x72" grow tent with heavy-duty zippers, double stitching, all steel frame. PACKAGE CONTENTS: 1 of 36"x36"x72" Matrix grow tent, 1 X waterproof diamond mylar floor liner, 2 X hanging filter straps, assembly instruction manual.