This beechwood tray features a 2 mm acrylic mirror base. It provides a sturdy platform for children to observe manipulatives, natural objects and reflection. The tray has 2” lips to keep activities contained. Inspect objects from all angles and create small worlds. Add reflection to any STEM or sensory activity station. This mirror is durable. It’s built to last for years of classroom and center use. Its lightweight, compact design fits perfectly on shelves. It includes 2 handles for easy carrying. Suitable for all ages. Size: 19.7"L x 17.1”W x 2”H.