jssmate ホード聖トレーナーv3貞操帯貞操ケージベルトフェチ緊縛 (nano) jssmate if can not fit(too samll), please put on the hot water then can fit, becuase it is resin.<br><br>numbers of air vents: <br>the whole set contains:<br><br>1. 4 different size of rings.<br>2. 1 cage<br>3. 1 magic locker (high quality) with 2 keys.<br><br>size:<br><br>4 different rings: 82mm/97mm/102mm/110mm<br><br>nano: inside length is about 82mm (3.23inch)<br><br>small: inside length is about 97mm(3.82inch)<br><br>standard: inside length is about 102mm (4.02inch)<br><br>maxi: inside length is about 110mm (4.33inch)<br><br>inner size:<br><br>nano & small (1.3inches)<br>standard & maxi (1.4inches)