Nest box Little Rock. This great little nest box of the Netherlands Society for the Protection of Birds will be a popular haunt for the birds in your garden. This nest box offers the perfect hideaway and nesting spot for small birds. With its small entrance hole of just 26 mm, this box can be used by wrens and small tits. The practical design makes them easy to open and clean.Product information:Sizes: 12 cm (L) x 11 cm (W) x 22 cm (H)Material: FSC woodColours: Brown and greenEntrance hole: Ã˜ 26 mmSuitable for wrens, small tits, blue tits, coal tits.CJ Wildbird Foods was founded in 1987 and has grown rapidly ever since. Most of the products are manufactured at the company s factories or production facilities in the UK, Netherlands, Lithuania or China. The products are innovative and comply with the highest quality standards. CJ Wildbird Foods collaborates closely with the Netherlands Society for the Protection of Birds (Vogelbescherming) so many items show its logo. All products have been tested on safety, effectiveness and sustainability.