The tunnel plug is an incredibly horny anal plug that invites all sorts of naughty things ...this transparent plug is namely not only extremely stretchy, smooth and pleasantly shaped, but additionally provided with an opening. this allows you to see 'inside' or sink your hot load into his/her bottom.its stretchiness and the advantage that this anal plug becomes deliciously soft when heated make it easy to insert. the shape with the narrower foot ensures that the anal plug fits well and securely, so it can be worn all day long.as with other toys, we recommend using this anal plug with enough water-based lubricant.features of the tunnel plug:length: 7.5 cm (m), 9.5 cm (l), 11.5 cm (xl)diameter plug: 5 cm (m), 7 cm (l), 9 cm (xl)material: soft, stretchy, smooth transparent tprwaterproof: yeslubricant: can be used with all lubricants, but we always recommend a water-based lubricantcolor: transparent clear.