Healthy Growth: The grow bag is designed with three vents for easy plant ventilation. Allows healthier root respiration and growth, promotes vegetable growth and yield, prevents root circulation, reduces the risk of transplant shock and eliminates excess water. Design smart: The grow bag is designed with a visual window through which you can not only check if your plants are ripe, but you can easily harvest your plants through the window without digging for clay Using the window flap makes it easy and accurate to determine if the potato is ripe for easy harvesting without damaging the roots. Additionally, these grow bags have 3 drainage holes. Super Sturdy: The grow bag is made of canvas and felt, with double-layer design, which is not only more environmentally friendly and durable, but also easier to breathe, which is good for plant growth. And can be used repeatedly. Looking forward to your harvest this year and in the future The grow bags are made of thick, breathable non-woven fabrics which are breathable, have better drainage than traditional plastic pots, do not do not bind the roots, but have roots pruned in the air. 3 colors: brown, green, black Available in 3 sizes: Size S : 25 x 30 cm (4 gallons) Dimensions M: 30 x 30 x 35 cm / 11.8 x 11.8 x 13.8 in (7 gal) Size L: 35 x 40 cm (10 gallons) Package content: 2 grow bags