Help Birds Find a Suitable Nest & Hiding Place by Hanging a Nest Box. with an Entry Opening of 33Mm, This Birdhouse is Ideal for House Sparrows. But Tits, Pied Flycatchers & Nuthatches Can Also Take Up Residence in This Birdhouse. the Birdhouse is Made of Fsc® Certified Pine Wood. on the Side There is an Opening Through Which the Birdhouse Can be Easily Cleaned. at the Back is a Pre-Drilled Hole So That You Can Easily Hang the Birdhouse. Comes in Kraft Gift Box. Minimum Quantities Apply.