The Elements speaker stand series from Monoprice will complement your room decor while also improving the sound of your bookshelf speakers. Each stand features a strong tempered glass base with floor spikes for added stability, an MDF wood veneer for a touch of elegant design, and a strap to secure the speaker to the stand for extra security in case it gets bumped. Each stand supports up to 22 lbs. (10 kg) weight and are 18in tall. The lower glass plate is 0. 33in (8mm) thick and measures 7. 9in x 7. 9in (200 x 200 mm), while the lower plate is 0. 24in (6mm) thick and measures 9. 8in x 9. 8in (250 x 250 mm). Each order includes two (2) speaker stands.