Otter Outdoors Vortex Cabin Hub Ice Fishing Shelter - Triple Layer Shell Provides the Perfect Combo of Durability, Warmth & Reduced Condensation. Patented Otter THERMALTEC 600 Denier Fabric Layer System (Light Blocking/Wind Stopping Outer Shell with a Quilted Thermal Inner Shell) Extreme Duty 11 MM Cobalt Poles Reinforced Corners Wide Base for Maximum Fishing Area Front Dual Coil Zippered Entry Door Combination Daylight/Lookout Removable TPU Windows with Insulated Covers Interior Wide Bottom Storage Pockets and Exterior Tie-Down Strap Pockets Interior Rod/Tool Holders Interior Overhead Cargo Storage Net Propane Hose Port with Hook and Loop Flap Removable License Holder Exclusive Ice-Lock Anchoring System Anchor Tie-Down Kit HD Nylon Wind Anchor Straps with Adjustable Quick Release Buckles Exclusive Nylon Packing Strap with High Compression Quick Release Buckle 900 Denier Oversized Carry Bag (Poly-Lined for Added Protection & Quicker Packing