The phrase "made completely of" is grammatically correct and can be used in written English.
Example: The statue was made completely of gold, shining brilliantly in the sunlight.
Gingham, plain-woven fabric, originally made completely of cotton fibres but later also of man-made fibres, which derives its colour and pattern effects from carded or combed yarns.
Birds made completely of soy protein?
It's a fabulous cocktail bar made completely of ice.
Hall (1948) reported a well-rounded, high-lipped nest made completely of growing moss.
Besides arcade games, there are manga comics for perusal, bottled Coca-Cola for purchase, and a giant chair made completely of Nintendo game cartridges.
Here came a gown with gentle bell sleeves made completely of silver sequins and a full skirt constructed from marabou feathers.
But more importantly, the base of this recipe is made completely out of items you probably already have on hand.
66.1 % −9.2 30 3.6 3.2 9 Synthetic materials have drastically reduced the global need for the mining of metals 41.8 % −14.6 17.5 3.6 3.6 10 High performance materials are made completely out of recycled substances.
Castro boasts an incredible church made completely out of wood.
You've got a terrific image: unlucky in love, powerful with an ax, a man made completely out of tin.
Synthetic materials use 10. 2030: High-performance materials are made completely out of recycled substances.
