Shivaraatri package includes the following rituals:

For a detailed explanation and steps, see:

https://www.bharatkings.com/hindu-rituals

Package contents:

Step *1.
1x Shiva incense
1x Shiva akhand deep (burns for 9 days)
1x Shiva Yantra

Step *2 Asnaan (Bathing the statue)
1x Gangajal
1x Rosewater

Step *3 Dhaar (mixture of herbs) Offering
1x Shiva Dhaar
1x Thali and Lota (NOT INCLUDED IN THE PACKAGE)
1x white flour
1x Kamal water
1x sugarcane juice

Step *4 Tilak (Decorate the statue)
1x Chandan yellow
1x vibhuti
1x Sindhur
1x Hardi

Step *5 Vaastram (Donating clothes)
1x Shiva clothes or tiger cloth
1x yagjopawitra (white thread)

Step *6 Offerings
1x Coconut
1x Paan leaf
1x Soparie
1x Jaiver
1x Camphor
1x Lawang
1x Fruit (NOT INCLUDED IN THE PACKAGE)

Offering flowers
1x Bilva leaves (minimum 3 sets)
1x white bunch of chrysanthemums (INCLUDED IN THE PACKAGE)

Note:

Buy the items in the week of the pooja.

This way, the items stay fresh.