The grow bag is made of 300g of thickened nonwoven fabric, these pots are moderately permeable,and BPA-free. Nonwoven fabric means the pots do not retain excess water,allowing your roots to breathe for healthier,more vigorous growth. We use serger stitches to sew handles onto the pot so they can support a full bag of soil,so it's durable and reinforced. Grow bags prevent circling root structure;combined with pruning and trimming roots, these bags can be used and reused for years. There are various size for your choice and your logo is also welcome.