This product is an viewer cup, made of ABS and acrylic materials, and practical, with good texture. The product design is reasonable, ventilated and breathable, small and light, very suitable for observing insects. The configuration is complete, safe and durable, and can serve you for a long time. Features -Color: Red, Yellow -Material: ABS plastic, acrylic optical lens -Size: 7.60X7.00X7.00cm/2.99X2.75X2.75in -The collecting jars are made from quality material, they are and reusable. -Perfect for kids to extend their knowledge, stimulate children's interest in exploration and learning. -Transparent design, you can lead children to observe insects accurately and directly. -A great teaching tool for your kids to learn outdoors while having a great fun. -Greatly improve kids cognitive competence and children's imagination and ability. Package list: 2 x Observation Boxes