▪ Different Sizes: Three sizes are provided. S is for the novice, M is for the senior, and L is for the Great God. ▪ Ergonomic Design: Three major design features. Waist design can not hurt you, mellow and full design can make your experience more real. The most exciting thing is that you can observe the inside through the hollow. ▪ Ice & Fire: Strong sensing, you can try a different temperature. The excitement from freezing point or enthusiasm from fire. ▪ Application & Clean: Easy to clean and applicable to a wide range of people, men, women, and lovers. ▪ Every item you purchase is protected by Sohimi Guarantee. You must be happy with your order!