Features: Environmentally friendly material soft silicone, super stretchy. It can stretch long enough to accommodate any size. Cleaning is very easy with a little warm water and regular soap. No need batteries or charging.experience pleasure at your own convenience, as often as you want. Soft, silky and flexible bend material allows for more flexible to use at various angles. Wonderful gift,sweet warm gift for wife,husband,or your friend. Specifications: Material:Silicone Size:26mm/32mm/38mm/45mm/51mm/57mm Package Includes: 1Piece Delay Ejaculation Sex Toys note: Please allow 1-2cm errors due to manual measurement. Due to the difference betweeen different monitors,the picture may not reflect the actual color of the item. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.