About this item 㲠Years Warranty for Whole Product㢠 2 years warranty for Quictent grow tent. ⡠Lifetime replacement for connectors. ㋥eps All Light In㹸% reflective PET Silver Mylar(Inside) + Extra-thick 600D Oxford Cloth(Exterior), creating a sufficient light and thermal environment for plants and blocking all light from escaping.0.8mm thickness pole makes the whole 4x4 ft grow tents by Quictent much securer and solid. 㕰graded New Heavy Duty Zippers㎥w heavy duty zippers used by extra-thick material to make sure itҳ easy to open and close the door. Also upgrade the color of the string and strengthen the indoor grow tent complete system to keep light in completely. ㅡsy Access㏵r huge Observation Window makes it easy and comfortable to take a peek inside of growing tent kit without disturbing your set-up. ㆡst Installation㎯ tools needed,Quictent grow tents are easy to install even if you've never done something like this before,you can set up it in an apartment, condominium, greenhouse, or any rented space.