In Jainism, housewarming or "Gruha Pravesh" is a significant occasion, and gifts are generally chosen to reflect the values of simplicity, non-violence (ahimsa), and auspiciousness. According to Jain principles, the following items are considered appropriate gifts for a house opening:

1. Jain Scriptures or Religious Books: Gifting Jain Agamas, Tattvartha Sutra, or other spiritual literature is considered highly auspicious.

1. Jain Yantras or Symbols: Items such as the Jain Om, Swastika, Navkar Mantra plaques, or images of the 24 Tirthankaras.

1. Puja Items: Silver or brass puja thalis, diyas (lamps), incense holders, or bell sets for the home temple.

1. Plants: Gifting a potted plant, especially a Tulsi or other non-harmful indoor plants, is considered to bring positivity and life into the new home, aligning with the principle of ahimsa.

1. Dry Fruits and Sweets: Packaged in a simple and elegant manner, always ensuring they are pure vegetarian and do not contain any ingredients prohibited in Jainism (e.g., root vegetables or honey for strict followers).

1. Home Utility Items: Useful items for the household, preferably made from eco-friendly or non-leather materials.

1. Handmade Items: Artifacts, paintings, or decor items that reflect Jain art or philosophy.

When selecting a gift, it is also important in Jain culture to avoid items made from leather, silk, or anything that involves harm to living beings. The intent should always be to offer blessings for peace, prosperity, and spiritual growth in the new home.