Nesting box wood concrete green 28 mm

The material used is wood concrete. This is very durable and has an insulating and breathable effect. As a result, the temperature in the nest box fluctuates less and this promotes the breeding result. This nest box is also designed in such a way that the birds are well protected against predators. With a flight opening of 28 mm, this nest box is particularly suitable for blue tits and black tits.