Weight-Rated Stainless Steel: These ultra-strong S-Biners are made of durable stainless steel; pack includes 6 size 1 S-Biners that hold up to 5 lb each Multiple S-Biners for Keys: Keep track of and organize all your keys with this S-Biner combo pack; use on backpacks, purses, and other every-day bags Carabiner with Easy Attachment: This S-Biner has two gates so you can clip keys or gear to one side and clip the other side to your backpack, belt loop, bag, or pocket Secure Key Holder: Replace your carabiner keychain with S-Biners that keep your keys clipped to one side while leaving the other side free About Nite Ize: Our inventor-driven products organize your life, protect your gear, light your way, and creatively solve everyday problems; every product is backed by our Worry Free Guarantee