A kalis (Baybayin: ᜃᜎᜒ or ᜃᜎᜒᜐ᜔; Jawi script: كاليس ;Abecedario: cáli, cális) is a type of Philippine sword.

Older versions of the gunong have straight or a slightly curving hilt, but it eventually evolved into a pistol grip.

The larger kalis was introduced back to Indonesia, especially in Kalimantan and Sulawesi, where it is known as sundang, sondang or keris Sulu.

Generally however, the larger blades are found on later pieces, while the oldest Moro kalis tend to be of smaller stature.

[citation needed] Modern tourist kalis blades can be distinguished by a number of features that once identified are quite easy to spot.

Tourist kalis, on the other hand, feature shallow angular waves, that appear to be cut out of the steel rather than forged into the blade.

Commonly the pommel is made of beautiful hardwood burl (such as banati) with the hilt being wrapped in a lacquered natural fiber (such as jute).

However, on higher end kalis, belonging to the upper class, the pommel would be made of such exotic materials as ivory, silver plating, solid brass, etc.

The Moro kalis scabbard shares many common characteristics with their Malay cousins, but are unique in their own style and form.

Older scabbards feature wider rattan lashings, and normally only cover small sections (e.g. bottom 1/3, 4 inch bands, etc.)