This is an efficient and practical corner brace, which is made of acrylic, strong and durable, with good texture, and can serve you for a long time without being easily deformed. It is a great corner braces, which can be widely used in your acrylic box protection and fixation. Features -Color: Transparent. -Material: Acrylic. -Size: About 2.50X2.50X1.50cm/0.98X0.98X0.59in. -Note: suitable for 3mm thick plates. - It is simple and practical, easy to install, and can be applied to your daily life well. - The corner braces are made of acrylic, smooth and durable, transparent, safe and practical. - It is suitable for the support of most acrylic board, helping you to better the edges of the box. - Reasonable design, stable use, good hardness, and will not be easily damaged or broken. - It is made with excellent craftsmanship, which can help you to connect and fix acrylic box very well. Package list: 4 x corner braces 12 x screws