【Effortless 60-Second Setup with Hub Design】 Experience unparalleled convenience with our instant hub-style design. A single person can effortlessly set up or take down this portable ice fishing shelter in under 60 seconds. Its compact and lightweight form when packed, complete with a carrying bag, makes transportation to your favorite fishing spot a breeze. 【Superior Insulation for Extreme Cold -35°C】 Engineered with 420D 3-layer insulated fabric, this shelter provides exceptional warmth, retaining heat over 35% more effectively than standard non-insulated models. It offers a reliable, windproof and warm sanctuary, 【Spacious 3-4 Person Ice Fishing Shelter】 With generous dimensions of 5.7ft x 5.7ft x 6.6ft, this hub-style shanty creates a vast interior space. It comfortably accommodates 3 to 4 anglers fishing simultaneously along with their gear, making it an ideal insulated ice fishing shelter for group outings. 【All-Weather Stable & Durable Construction】 Built to withstand demanding conditions, the shelter features a robust frame of full-metal hubs and thickened fiberglass poles for enhanced load-bearing capacity and wind resistance. It is further secured with self-tapping ice anchors for easy, stable fixation on the ice. 【Upgraded Features for Comfort & Safety】 Enjoy adjustable light and ventilation with the double-layer detachable windows and dedicated vents for temperature control. The double-zippered door allows for easy entry and exit, while the reflective strips enhance visibility and safety for night fishing.