uxcell Clear Plastic 6-8mm Grass Thickness Aquarium Cover Holder Clip 4 Pcs Prodcut Name : Aquarium Cover Holder;Material : Plastic Thickness : Fit for 6-8mm;Total Size : 5.6 x 4.4 x 1.8cm / 2.2" x 1.7" x 0.7"(L*W*T) Color : Clear Net Weight : 71g Package Content : 4 x Aquarium Cover Holder