Keep your keys, water bottle and other important items on lockdown with this three-pack of Nite Ize S-Biner SlideLock carabiners. The S-shape stainless steel construction ensures durability, and individual slide-to-lock mechanisms allow for secure attachment on both ends. These Nite Ize S-Biner SlideLock carabiners come in three different sizes to accommodate objects of different sizes and weights.