[Home](./index.md) > [bitburner](./bitburner.md) > [sleeve](./bitburner.sleeve.md) > [getNumSleeves](./bitburner.sleeve.getnumsleeves.md)
## sleeve.getNumSleeves() method
Get the number of sleeves you own.
Signature:
```typescript
getNumSleeves(): number;
```
Returns:
number
number of duplicate sleeves the player has.
## Remarks
RAM cost: 4 GB
Return the number of duplicate sleeves the player has.