How To Use Petco Screen Cover Clips How Do I Use Screen Cover Clips For My 10 Gallon Aquarium?

How do I use Screen Cover Clips for my 10 gallon aquarium? - how to use petco screen cover clips

PETCO video clips I bought for my 10 gallons tank cover, but I have no idea how to use them. There is no indication on the packaging, and I searched and searched the Internet looking for opportunities to do to find them, but in vain. If someone could enlighten me, I would be very grateful!

Are Petco Reptiles screen clips and there are 2 pieces of each. One room is larger and looks like an L with folded edges and one is a smaller piece that looks like an L with a short top and a bottom very long.

It is the image:
http://www.petco.com/Assets/product_images/8/800443078440B.jpg

Start:
http://www.petco.com/Shop/petco_Product_R_875_PC_productlist_Nav_256_N_27+122_sku_696021_familyID_4# 353.aspx Description