Trinity Vibes Anal Trainer 3 Piece Anal Play Kit from XR Brands. This butt plug trio is perfectly sized for beginners and features a range of different shapes for exciting sensations. Tapered for easy insertion, each plug has a curved, ergonomic base to help keep it in place and remove easily. The firm yet flexible material is slick with just a hint of give and is phthalate free and cleans easily. Measurements smooth butt plug 4.5 inches in total length, 4 insertable, 1 inch in diameter. Bubble butt plug 4.5 inches in total length, 4 insertable, 1 inch in diameter. Single bead butt plug 3.75 inches in total length, 3.5 insertable, 1 inch in diameter. Material Thermoplastic Elastomers TPE. Color Purple. Note anal play kit comes with 3 different style anal plugs.