This is a vintage 1984 Jumbo Paper Teddy Bear Doll Costume Set Merrimack Publishing Corp.
The set is multicolored and features 1 teddy bear, 5 costumes, and 5 hats.
This book was printed in Hong Kong.
The envelope measures about 11" deep and 8.5" wide. The bear doll measures about 10.5" deep and 7" wide.
This comes in good pre-owned condition, with some bends and tears.