Your training starts now! Featuring three sizes of flexible anal plugs, Firefly's trainer kit provides an enjoyable way to expand your sexual limits. Made of odourless TPE, the plugs have strong suction-cups and can be used with all lubricants. Product Dimensions: - Mini: 8.1 cm (3.2'') x 4.3 cm (1.7'') x 4.3 cm (1.7'') - Sm: 10.1 cm (4'') x 4.3 cm (1.7'') x 4.3 cm (1.7'') - Med: 12.75 cm (5'') x 5.3 cm (2.1'') x 5.3 cm (2.1'') Product Material: TPE