Description Features: - Creative design:This is a good helper for you to grow mushrooms at home! It provides you with a scientific mushroom planting environment. There are 12or 15vents for fresh air exchange, and the drain hole at the bottom can discharge exce water. Greatly save your mushroom planting bag. -Durable material: It is made of high quality transparent plastic material, which is durable, waterproof and can be used for a long time. You can observe the growth of mushrooms at any time and record the growth proce of mushrooms. - Easy to use and store: After receiving the goods, inflate the mushroom room with the air pump to obtain a complete mushroom planting room. When not in use, let out air and fold it for storage without taking up too much space. Specifications: -Name: 1PC Mushroom Grow Kit -Material:new PVC -Color: Transparent -Size: Round - Middle: after inflated deminsion - 47x27cm / 18.5''x10.62'' Round - Large: after inflated deminsion - 70x70cm / 27.5''x27.5'' Squre - Middle: after inflated deminsion - 47.5x25.4x28cm / 18.7''x10.0''x11.0'' Squre - Large: after inflated deminsion - 61x40x33.5cm / 24.0x15.7''x13.1'' -Package Included: -Size: Round - Middle: Monotube kit x 1; Red Rubber Plug x 12; Filter x 12; Air Pump x 1; Round - Large: Monotube kit x 1; Red Rubber Plug x 15; Filter x 15; Air Pump x 1; Squre - Middle: Monotube kit x 1; Red Rubber Plug x 12; Filter x 12; Air Pump x 1; Squre - Large:Monotube kit x 1; Red Rubber Plug x 12; Filter x 12; Air Pump x 1; Overview: 100% brand new and high quality; Notes:1. Due to the different monitor and light effect, the actual color of the item might b slightly different from the color which is showed on the pictures. Thank yo2. Please forgive 1-3cm measuring deviation due to manual measurement.