Self-locking boxes are ideal for e-commerce packaging, a perfect fit for various items. 3 ply; B-flute mailer boxes with self-locking flapsOrder from white or brown mailer boxes- Brown – 180 x 120 x 180 gsm (Indian Kraft) ; White – 250 x 120 x 180 gsm (Duplex + Indian Kraft) Available in 6 different sizesSelect from various customizable options, including stickers, prints, and sleeves. Eco-friendly, Sustainable and Affordable. These boxes can hold upto 0. 5 – 4. 4 kgs. Order from as low as 25 units