Default M-sized dildo. More sizes available for dildo: Scarlet Seat Specifications Product Name Red Seat Dildo Machine Chair Massage Seat Seat High-density plush material (Red / Black) Frame Reinforced metal (supports up to 300 lbs / 136 kg) Seat Width 35 cm (13.8 inches) Height Adjustability 3 levels — kneeling, sitting, or standing positions Dildo Compatibility Small (14 cm), Medium (17 cm), Large (19 cm) Thrust Speed 0 – 240 strokes per minute Stroke Length 1.57 in (4 cm) Power Source AC adapter (included) Key Features 1. Ultra-Stable & Adjustable Design Heavy-Duty Metal Frame — supports 300 lbs for intense sessions. Multi-Position Use — switch between: Pull-Up Mode: Standing / kneeling play Pull-Down Mode: Seated riding Travel-Ready: Detachable & folds flat for discreet storage 2. Interchangeable Dildos (Sold Separately) Realistic Silicone Options — available in flesh or black, 3 sizes (S/M/L) Quick-Switch Mechanism — locks dildos securely during play 3. Precision Thrusting Control Variable Speed Dial — from slow teasing to rapid pounding Quiet Motor — < 50 dB for discreet enjoyment 4. Discreet & Stylish Modern Red / Black Seat — resembles a fitness stool for privacy Easy to Clean — wipe with toy cleaner, removable seat cover