It is Easy to Build in 3 Seconds and Adopts an Automatic Umbrella Stand Structure, Which Saves Time and Effort, and is Light and Stable. the Silver Gel Sunscreen Coating Ensures Effective Shading and Uv Protection. Professional Waterproof Oxcloth, the Fabric Adds a Waterproof Coating, Combined with the Hot-Bonding Technology of the Joints, Tother Strengthen the Airtight Waterproofness of the Tent, and It is Solid Everywhere, So Camping Can Rest Assured. Four-Sided Screen Windows,-Proof and Breathable, Tough Fiber, Fine Mesh, Effectively Block All Kinds of Mosquitoes. 23 People Size: 205*150*130Cm 34 People Size: 205X205X 140Cm Product Fabric: 190T Water Repellent Oxcloth Tent Bracket: Automatic Fiberglass Pole Mesh Material: High-Density B3 Mesh Construction Situation: Free Construction and Quick Opening Outdoor Account Waterproof Coefficient: 1000Mm-1500Mm Waterproof Factor of Bottom Tent: 1000Mm -1500Mm [Easy to Install and Carry] Just a Few Simple Steps, You Can Complete the Construction or Storage in 3 Minutes. It Uses Glass Fiber Rod As the Skeleton, Which Has Super Elasticity and Durability. [Risk-Free Purchase] Let You Become a Satisfied Customer is Our Main Goal. If You Have Any Questions, Please Contact Us, We Will Contact You Within 24 Hours and Provide Perfect After-Sales Service.