Package contents: 2 holder clamps included for secure mounting. Material and appearance: Made from transparent acrylic, providing an unobtrusive look that does not affect the fish viewing scenery. Easy installation: Quick and simple to install without tools or complex steps. Primary function: Antijump net clips designed to prevent fish from jumping out of the enclosure and dying, helping to reduce escapes. Practical benefits: Keeps fish safely contained while maintaining clear visibility and minimal visual impact on the tank or pond environment. Use scenarios: In a home aquarium, use with netting or covers to prevent fish from jumping out during feeding or maintenance. In breeding tanks or small ponds, clip nets securely to reduce accidental escapes during netting or handling. During setup or relocation of nets, the clips provide a simple, reliable way to keep fish inside and protect the scenery.